SEO & Digital Marketing Glossary

The terms involved in the SEO industry are many. There are many terms of Digital Marketing in general that are more or less related to SEO.

It makes sense to confuse the average user who wants to be informed and learn more. The SEO & Digital Marketing glossary comes to meet this need.

Put this page in your Bookmark Bar, you will need it! If you are looking for a definition and see that it is missing, contact me to add it to the list.

SEO & Digital Marketing Glossary AZ

First of all, it is good to clear up the confusion about the following terms:

Website or Website are all elements (pages, articles, etc.) that constitute it.

Website or Web page , is one of the pages of your website .

It has become a habit for users to search more e.g. website design and not website or website construction.

The conceptual incorporation of the two terms for the convenience of the average user has become somewhat commonly accepted.


Above the Fold (Content)

It is the content that appears on a website before the user scrolls down. Google created the page layout algorithm in 2012 to reduce the ranking of sites that display too many ads on this site.

Affiliate Marketing

What is Affiliate Marketing?

The Affiliate Marketing , is a very common type of online marketing based on the relationship between an Advertiser (merchant) and an Affiliate (partner).

The Affiliate , is in possession of some online properties (websites, blogs, social media, newsletters, etc.). Through these, it sends visitors to the Advertiser ‘s website using links .

Obviously, you get paid for this process, but only when the guests you send, complete a pre-agreed action.

Primarily, this action is the completion of a market . Rarely, it is perhaps the completion and successful registration of an expression of interest form by the visitor.

The amount of payment is either a percentage on the sale or a fixed pre-agreed amount . This charging method is included in the CPA (Cost per Action) term .


What is AJAX?

Asynchronous JavaScript and XML ( A synchronous J avaScript A nd X ML), is a type of programming that allows a web page to send and receive information from a server in order to change this page dynamically without refresh ).

Alt Text

Alt Text What is it?

The alt text (alt text) is the text in HTML that describes the content of the images on websites. Used by search engines to understand the content of an image. It is also used by visually impaired users.

AMP Pages

What are AMP Pages?

The Accelerated Mobile Pages (Accelerated Pages Mobile) very simply is pre-stored web pages load so much faster on mobile devices. Created by Google to improve the mobile user experience. An AMP presents the content of your website in its light version, via simple HTML code files.


What is Analytics?

It is the science of collecting, analyzing and interpreting data related to a website. They are useful and necessary data for making future decisions based on what has (or has not) historically worked on a website. They give us a very wide range of data about the traffic, the time spent, the audience etc. of our website.

With the right data analysis, we know exactly what we need to improve, what is already working well, what digital marketing tactics to use and how. The free tool we use to analyze our website data is Google Analytics .

Anchor text

What is Anchor text?

It is the text you use for the link of a web page. For example, instead of presenting this link: , you give it the necessary anchor text: SEO.

Artificial Intelligence – AI

What is AI?

It is the science that creates technology so that computers can perform tasks that would normally require human intelligence. Instead of following a set of programmed rules (as an algorithm does), AI provides – quite simply – a system with a constantly learning digital brain so that it can make decisions without human intervention. What has SEO got to do with it? See the term Google Rank Brain.

Auto-generated content

It is the content (text) that is created automatically through programming and is not written by people.



The backlinks or more correctly inbound links (inbound links) are links that are created when some other websites echeoun link to others. In essence, it is a “vote of confidence”, a report that shows that the first website indicates the second as a valuable and relevant source.

For example, if has a link to, for it means that it has a backlink (inbound link) from

Why are backlinks important?

The number of backlinks a website has is one of the most important factors in ranking its page in search engine results.

They are divided into nofollow and dofollow links , with the latter playing the primary role. Both must be present to maintain balance. It does not make sense for a website to have only dofollow backlinks.


What is Baidu?

It is the most popular search engine (like Google) in China, Baidu was founded in January 2000 by Robin Li and Eric Xu.


What is Bing?

It is the name of the Microsoft search engine. Bing was released in June 2009, replacing Microsoft Live Search (formerly MSN Search and Windows Live Search). Since 2010, Bing has enabled Yahoo’s organic search results as part of a search agreement reached by Microsoft and Yahoo in July 2009.

Black Hat SEO

What is black hat SEO?

The Black Hat SEO , is all irregular regular optimization of a website / web site in order to come out on top positions in search engine results for that contravenes the Google webmasters guidelines ( Google Webmaster Guidelines ).


What is a blog?

The Blog Sorted in chronological order, with the most recent content appearing at the top. Blogs were originally called web logs, ie web logs or web blogs.

However, as web log can also mean server log file , the term was confusing. To avoid this confusion, the acronym blog was created .

Branded Keyword

What are branded keywords?

Branded Keywords, or Keywords, are the keywords that occur when a user’s search on a search engine involves an exact match or variation of a particular company or brand name. For example, “Seo Master what is SEO”, “seomaster”, “”, are some examples of Branded Keywords.


The Breadcrumbs is a navigation element on a web page that helps users to easily understand where they are in a site. Breadcrumb example:

Broken Link

Broken Link, is a link to a ” 404 not found ” website. Usually, a link is corrupted when:

  • A site is offline.
  • A web page is removed without the redirect application.
  • The destination URL changes without the redirect application.


What are bookmarks?

Most browsers, have the opportunity to add a bookmark ( bookmark ) to your favorite pages. Why is it important for SEO?

Bookmarks made for a website are a signal to search engines for the high quality of its information. It is therefore one of the 200+ SEO factors that contributes to the ranking of a website in search engines.


What is a browser?

browser or web browser , such as Chrome or Firefox, is software that allows you to access information on the Internet. When you search for something (submit a request) in your browser (eg “”), you ask the browser to retrieve the necessary resources to show you a web page on the screen of the device you are using.

Bounce Rate

What is Bounce Rate?

The Bounce Rate and Bounce Rate indicates the percentage of total visits that did not result in secondary effects on your website.

For example, if someone visited your homepage and left before viewing any other pages, this would be a bounced session .



It is a technology that temporarily stores web content, such as images, to reduce future page load times. Users who visit your website frequently will enjoy faster loading of your web pages.

Cached Page

It is a snapshot of a web page as it appeared when a search engine last detected it.

Call to Action

What does CTA mean?

The CTA is analyzed in Call to Action.

What is a CTA?

It is a prompt that tells the visitor of a website to take a specific action.

In digital marketing, this can be in the form of text on a button (CTA button) or in a link and email campaigns.

CTAs are most often links that lead to another website where the user can take further action.

Canonical url

What is a Canonical url?

It is an HTML code snippet that specifies a preferred site URL when multiple URLs have the same or similar content, to reduce duplicate content.

Useful canonical url tag

In fact, if we have a lot of articles or websites on our site that have a lot of similar content, we make it harder for them to rank in the search engines as they compete with each other.

By putting the canonical url element in the HTML code, we inform the search engines about the most important page – of the similar ones – that we want to rank.


It is a country-code top-level domain. For example, a UK based company will have a domain like this:, where the UK is ccTLD.


What are citations?

The Citation is an online reference of a company that contains the name, address and phone number (NAP: Name-Phone-Adress ) of the company.

Where do I find citations?

Citations are available in online directories of local businesses, websites, applications and social media platforms. Citations help Internet users discover local businesses, while in terms of (Local) SEO, they can influence the local rankings of the business website in search engine results.

Click Bait

The Bait Click (click bait), refers to content that is designed to attract users to click. It is usually exaggerated or deliberately misleading so that publishers can monetize advertising.

e.g. “See how she lost 10 kilos in a week”

Click-Through Rate (CTR)

What is CTR?

CTR is the percentage at which users click on an organic search result. This is calculated by dividing the total number of organic clicks by the total number of impressions and multiplying by 100.


Cloaking is the display of different content or URLs to people and search engines than what you “promise”. It directly violates the Google Webmaster Guidelines.


What is a CMS?

The Content Management System (Content Management System) is a web application that allows users to create, upload and manage digital information.

One of them is WordPress . It is the CMS with which more than 450 million websites have been created worldwide until 2020, ie 35% of all websites.


A distinction must be made between physical competitors and SEO competitors:

The direct competition relates to companies that sell similar products and / or services, serving the same needs and target similar audiences both online and offline.

The SEO competition concerns companies competing for the same keywords (keywords) in the organic results of search engines, but with similar products or services that meet different needs and / or target audiences.


What is Content?

To Content (content) refers to words, pictures, videos, podcasts (or any combination) carrying information intended to be distributed and consumed by an audience.

Why is content important?

It is one of the two most important Google ranking factors (along with backlinks ). Search engines want to reward and rank high, content that is useful, informative, valuable, reliable and unique.

Due to its quality, it enjoys more traffic and visibility.

What does Content is King mean?

Content is King .

Bill Gates – January 3, 1996

In SEO, “content is king” usually means that content is essential to any success in search engine rankings, digital marketing or your business.

Content Marketing

What is Content Marketing?

The Content Marketing , is a marketing method that focuses on creating and sharing high-quality, valuable online information (in the form of video, audio or text).

What is the purpose of content marketing?

Its purpose is to create content that attracts people’s interest in a company’s products / services, in order to gain greater visibility and recognition.

Content Syndication

What is Content Syndication?

The Content Syndication is a method where the content of your website reproduced on another site in order to approach new audiences, increase traffic (traffic) and creating backlinks .

This method, however, falls within the duplicate content area, which means that if the other site probably has more Authority, it will rank better in search engines than yours in your post.

However, it is a tactic of minimal effort and possibly high benefit, where you have to weigh all the pros and cons before applying it.


What is Conversion?

Conversion we have when a visitor to our site completes a desired action. For example, this happens when a visitor subscribes to the Newsletter, downloads an Ebook, buys a product, or interacts with our CTA (Call to Action).

Conversion Rate

What is Conversion Rate?

The Conversion Rate , is the rate at which users of a site complete a desired action (e.g., product market). This is calculated by dividing the total number of conversions (eg sales) by the traffic and multiplying the result by 100.


What is Copywriting?

It is the art or technique to write persuasive messages that will push their recipients to take a specific action. There are many types of copywriting and each is used for a different purpose.

Cornerstone Content

What is Cornerstone content?

The Cornerstone Content , is the most important content on your website. These are high quality, legible and complete posts that cover everything around a specific topic.

If you use WordPress, you can mark a post as Cornerstone Content (to help search engines appreciate it) using the Yoast Plugin .


What is a Crawler?

Crawler is a program used by search engines to crawl the internet. Crawler bots visit websites to gather information and add or update a search engine index.

Also called: Bot , Spider , Web Crawler .

Crawl Budget

What is a Crawl Budget?

The Crawl Budget , the total number of addresses (URLs) that search engines can and want to track a website during a specified time period.


What is Crawling?

The Crawling , is the process of gathering information from public websites billion for updating, adding and organizing them in the index of a search engine using a Crawler (crawler).


What is CSS?

The C ascading S tyle S heets describe how HTML elements (eg color, fonts) must appear on websites and adjusted when viewed on different devices. They basically determine the style-appearance of a website.

Curated Content

What is curated content?

Curated Content is content we did not create, but we find it very relevant and valuable to our visitors. We organize it and present it to them.

What is the purpose of curated content?

The aim is to create a knowledge hub, where users will visit frequently to receive information about their niche, making you an influencer & expert in your industry.

Customer Journey

What is Customer Journey?

The Customer Journey (Journey consumer) , are all those potential clients (or contact points) in which a consumer is exposed or interacts with a brand (a company less). All of these interactions are designed to persuade, influence, and transform that consumer into a customer or subscriber.

Customer Journey stages

Although Cutomer Journeys can vary greatly depending on the type of business and the market in which it operates, a “Consumer Journey” usually consists of four basic stages:

Awareness> Consideration> Decision> Retention

Awareness> Examination> Decision> Retention

Depending on the stage of the consumer in his journey, a business approaches him in the corresponding pre-planned way.

It is often referred to as the Buying Process , Consumer Decision Journey or Marketing Funnel .



What is Data?

The Data is generally very discrete information-data collected for a purpose.

What is Data in SEO?

In SEO terms , it usually refers to the detailed information used to identify who our visitors are and how they interact with our site.

Dead-End Page

What is Dead-End Page?

It is a website that is not linked to any other. When a person or a bot reaches it, it finds itself in a dead end and leaves the site.

It is corrected by putting navigational links in the header / footer, breadcrumbs or links that lead the visitor to another web page of the site.

Deep Links

What is Deep Link?

Deep Link is any link from one webpage to a webpage to another webpage on the same web site . Used in CTAs or articles, where the link is used to lead the visitor to a page with more informative content.

What is Deep Linking?

It is an important SEO method for the equal distribution of links (link equity) on your websites and the extension of the stay time and the loyalty of the visitors. The conceptual relationship between the keywords on each page and the linking of these pages to each other, increases the overall relevance of the site content.


What is De-index?

It is the process by which Google removes a website or webpage, either temporarily or permanently, from search results (especially search index). Google has a URL removal tool in the Search Console in case you want to de-index a web page on your site. However, a website may also be de-indexed as a google penalty for violating the Google Webmaster Guidelines .

Digital Marketing

What is Digital Marketing?

The Digital Marketing (Digital Marketing), is a huge industry of Marketing and includes all efforts to promote a business made online via the internet .

Businesses use digital channels such as search engines (google, youtube, bing, yahoo etc), social media (facebook, instagram, twitter, pinterest, linkedin etc), e-mails, ads and other websites to connect with current and potential candidates. customers.

See in detail:

  • What is Digital Marketing and what are its types

Direct Traffic

What is Direct Traffic?

The number of visits to your site, from users who typed the exact web address (URL) directly into the browser, without doing a Google (or other search engine) search.


What is Disavow Links?

If your website has a large number of unwanted, artificial, or low-quality backlinks that could hurt your rankings – and you can’t remove them manually (when they come from a site you have no control over) – you can use Google Search Console Disavow Links Tool so Google can ignore these backlinks.

DoFollow links

All links are by default dofollow links, which means that they give what we call ” link juice ” and allow search engine bots to follow them, helping to place a website in the SERPs .


What is a domain name?

The domain name, or domain name, is a website address. It usually results in an extension such as .com, .org, .net. gr etc.

Domain Authority (DA)

What does DA mean?

DA are his initials: Domain Authority.

What is a Domain Authority?

It is the total “power” of a website. It is created over time, and can help a new post or website, become indexed quickly (or even rank on the first page), even before gaining backlinks or engagement .

It is a measurement scale developed by Moz and measures how well a site will perform in the SERPs (Search Engine Results Pages) and how competitive it is compared to other sites.

How do I improve my site’s DA?

You can improve this, for example, by getting more backlinks from reputable sites. That is, from sites with a high DA.

SEO software company Moz uses a score between 0-100 to predict a site’s ability to rank in search results.

Doorway Page

What are Doorway Pages?

The Doorway pages are pages that are created to “trick” the search engines in order to rank high on specific phrases and keywords ( keywords ), while in pragmatikatikotita have low quality content.

They are usually created to generate revenue from ads and affiliate links.

Duplicate Content

What is Duplicate Content?

When a significant amount of content contained on a web page fits or is incredibly similar to content found elsewhere on the same site or on a completely different site. Translated as duplicate content.

What problems does Duplicate Content cause?

The problem with duplicate content is that when a search engine bot finds it, it is unable to determine which domain is most relevant to the topic being analyzed.

How do I deal with Duplicate Content?

It is also a common occurrence to have duplicate content within the same site. For example, two or more of your pages may have very similar content.

In this case, you have to choose which page will be the “authentic” and add a piece of code (rel = canonical) to all the others, always directing the search engines to the original.

Dwell Time

What is Dwell Time?

It is the amount of time a visitor spends on your site after first clicking on it in the search engine results.

The longer the time the better, as it shows that the visitor has found relevant and attractive content.

Dynamic URL

What is a Dynamic URL?

It is a web address (web address) of a web page, where the content is stored in a database and is received only when the user asks a question.

These pages may have only one HTML file, but the content will be unique each time the database is queried. This is why the URL changes every time there is a query.

These URLs are not descriptive and do not make sense when read, as they include link parameters e.g.



What does EAT mean?

It means Expertise-Authoritativeness-Trustworthiness (Specialization-Reliability-Trust).

What is EAT?

They are Google’s indicators for evaluating the quality of a website that affect its ranking in search results.

How do I increase the EAT?

You can increase your EAT rating in the following ways:

  • Have plenty of content that is updated and edited frequently (always kept up to date)
  • Take care of the UX (User Experience: User Experience) .
  • Build a good reputation on the internet and on your website (you achieve this if your content is considered a “source” by other sites, commonly with backlinks to your content).
  • Have visible information about your company and the site’s authors.


What is e-commerce?

It is the buying and selling of products on the internet. Simply put, e-commerce.

Editorial Link

It is a link given from one site to another, without being requested or paid for by the recipient. You will also find it as a Natural Link .

Email Outreach

What is Email Outreach?

It is a form of link building (building backlinks ). In essence it is:

  • the process of finding sites relevant to your content
  • communication with their managers
  • and hopefully their link to one of your websites via link.


What is Engagement?

It is the level of loyalty that users have when they visit your site.

What is Website Engagement?

It is a process of analyzing how well your site users are likely to stay on it and take specific actions such as:

  • subscribe to the newsletter
  • purchase of products or services

It is measured as an average value in percentage with reference to time and total unique visitors in a given time.

What is Engagement Metrics?

They are the methods of measuring the way users interact with web pages and their content. Basic Engagement Metrics include:

  • Click-through rate
  • Conversion rate
  • Bounce rate
  • Time on page / site
  • New vs. returning visitors
  • Frequency and recency
  • Dwell time

Error 404

What is Error 404?

The Status Error Code 404 , is the status code of a web page that has permanently removed from a website and indicates the bots (search engine detectors) to eliminate from their index.

External Link

What is External Link?

These are the links that take your visitor away from your site. They influence your SEO as they help search engines better understand your expertise and improve the reliability and quality of your content. Also called Outbound Link .


What is Favicon?

Favicon is a small icon (16 × 16 pixels) that represents your brand, business or website. Appears in Browsers tabs, search history, and bookmarks.

Although it does not have a direct effect on SEO, it improves the usability of a website, which in turn increases the Engagement Metrics of users, which are a ranking factor .

Featured Snippet

What is a featured snippet?

For some searches, usually queries (i.e., who / what / where / when / why / how), Google sometimes displays a special box above the organic search results. This box contains a summary (in the form of a paragraph, list, table, or video), as well as the date of publication, the title of the page, the link to the web page from which the reply came, and the URL .

Footer Link

What are footer links?

These are the links that appear in the bottom section (or “footer) of a website.



What is Geotargeting?

A method of targeting users of a website based on their geographical location. You usually use it when you want to show different content or ads to your visitors, depending on where they are.


What is Googlebot?

It is the web crawling system that Google uses to find and add new websites and webpages to its index .

Google Hummingbird

What is Google Hummingbird?

It is an important algorithmic update to Google’s search and ranking system. Released in August 2013. Improves search results by matching user intent instead of focusing on exact match keywords.

Google Keyword Planner

What is Google Keyword Planner?

A keyword search tool that is part of the Google Ads service.

How is Keyword Planner used?

You can use it in two ways:

  • Get keyword ideas based on words, phrases or a URL related to your business.
  • Alternatively, you can use the existing keyword list and get data, including the average search volume for the last year and the expected number of clicks and impressions for the next 30 days.

It can be used for free, all you have to do is select Tools> Keyword Planning at .

Google Manual Action Penalty

What is Manual Action Penalty?

It’s a big penalty for Google, where a human judge concluded that your site did not comply with Google’s quality guidelines for webmasters .

A site that takes a manual action either significantly reduces its ranking or is removed from the SERPs altogether .

How do I fix the Manual Action Penalty?

You should try to fix any issues and apply for a review when everything is fixed.

You can check if your site has received Manual Action Penalty (and which pages are affected) here:

Google Mobile-Friendly Test

In recent years, Google has given a lot of weight to whether a site is mobile friendly. As Google prioritizes good UX (good user experience) and most users now browse the internet from their mobiles, mobile friendliness has become a ranking factor .

How Do I See if a Website Is SEO Friendly?

You can test the mobile friendliness of all the websites on your site by using . It provides you with an indicative score and a detailed list of any topics and how to correct them.

Google My Business

What is Google My Business?

Google My Business is a free tool with which you can create and update your business listing. The information you provide here will be used in local search results and will show your business on Google Maps.

It will also be used to display a Business Dashboard to the right of traditional search results in SERPs . This framework will include:

  • pictures
  • map location
  • user-generated content (reviews)
  • information about the operating hours of your business
  • the telephone address
  • your site
  • even a graph of knowledge related to your business.

Google PageSpeed ​​Insights

What is Pagespeed insights?

It is a tool created to analyze and determine the speed of a web page, with instructions on how to make it load faster.

Test the speed of your web page here: .

Google Panda Algorithm

This is a major Google algorithm update that was first released in February 2011. Many updates followed. The goal of Panda Update was to reduce the visibility of low value content, usually produced by link farms. In 2016, Panda Update became part of Google’s core ranking algorithm.

Google Penguin Algorithm

This is another key update of Google’s algorithm that started in April 2012. A series of updates and updates followed.

This update examines a site’s link profile to identify and downgrade sites that use deceptive and unwanted links and overly optimized anchor texts .

In 2016, Penguin Update went live in real time as part of Google’s core algorithm.

Google Pigeon Update

An important algorithmic update to Google’s search and ranking system. Released in 2014. It linked Google Web Search and Google Maps and started using location as a key ranking factor.

Google Pirate

An important algorithmic update to Google’s search and ranking system. Released in October 2014. Reduces the ranking of sites with pirated content.

Google Possum

An important algorithmic update to Google’s search and ranking system. Released in September 2016. Gives even more importance to the location of the user doing a local search.

Google RankBrain

What is Google Rank Brain?

The RankBrain based on what started the Hummingbird Update (results with emphasis on user intent and not just the keywords), adding the machine learning and AI (Artificial Intelligence) for the interpretation of search queries.

Google Sandbox

What is Google Sandbox?

It is a “waiting period” that prevents new sites from having a direct benefit from SEO actions. It has never been officially confirmed by Google.

Typically, this phenomenon is more common with new sites targeting competing keywords and can only be overcome when the site has enough Authority .

Google Search Console

What is Search Console?

Search Console is a free tool from Google, which offers many useful features for Webmasters, such as performance tracking, sitemaps, manual action penalty check and indexing of your site pages, speed, etc. .

You can find it here: .

Google Sitelinks

What are Sitelinks?

These are the links that appear below a search engine result and are intended for the user to navigate the subpages of your site. Appear on the search engine search page for branded organic searches or for a fee using Google Ads.

How do my sitelinks appear on Google?

If you want your site sitelinks to appear in organic results, you need to know that the process is automated. You can not guarantee that you will have sitelinks or how many and to which pages they will link. All you can do is make sure your site provides a good user experience (UX) . Sooner or later it will appear in the SERPs .

Google Trends

It is a website where you can see data visualizations about the latest search trends, stories and topics (search trends, stories, and topics).

You can find it here:

Google Webmaster Guidelines

These are Google’s guidelines for good site optimization practices, as well as “illegal” practices that can lead to manual action penalties .

Simply put:

  • Create unique, valuable and engaging websites and websites with priority given to users, not search engines.
  • Avoid tricks and techniques that deceive users and are only intended to improve search engine rankings ( Black Hat SEO ).

More here:

Gray Hat

What is Gray hat SEO?

It’s a supposedly “gray” area between techniques that comply with the Google Webmaster Guidelines , but with the addition of SEO techniques that “bend” the rules a bit.

Guest Blogging

What is Guest Blogging?

It’s probably the most popular backlinks tactic , which involves developing content for other sites in exchange for a link that leads to your own pages.



What are headings in SEO?

The header tags ( heading tags H1-H6 ) separating the content of a website into sections based on its importance. H1 is the most important tag and H6 the least important. In essence, these are just some of the goal setting shareware that you can use.

Heading tags should be used effortlessly and naturally and incorporate your keywords where needed. Headings are important, as they can offer a small advantage in SEO.

Why and how to use heading tags?

It’s the easiest way to show both the reader and the Bots what we think is the content hierarchy of our website, depending on its importance.

Do not use them to set the font size, this is best done via CSS .

You should always follow the order of the headings, do not use H4 unless you have both H2 and H3.

H1 is the most important element in any of your pages and you should only use one. It is always the title of a page or article of yours. You will also find it as a headline .

Hidden Text

What is Hidden Text?

It is any text on a web page that cannot be seen by anyone browsing your web page. It aims to manipulate search engine rankings (search rankings manipulation) by loading websites with content-rich keywords. This technique violates the Google Webmaster Guidelines and may result in a manual action penalty . For example, hidden text is considered to be the addition of text that is:

  • Too small to read.
  • Same color as background.
  • Use CSS to push off-screen text.

Hreflang Attribute

What is Hreflang Attribute?

The hreflang attribute is used to bookmark the pages of a multilingual website. Using this feature, you can make sure your pages are displayed in the correct language, based on the language used by users in their search.

Why do I need a hreflang attribute?

Helps avoid duplicate content. You may have a website that has the same content for different sites (such as the UK and US), with small variations such as currency. With hreflang, you inform Google about which site or language each web page on your site is optimized for.

Do not forget that you need to create backlinks for each url in a different language separately, in order to obtain the appropriate authority for display in the desired site.

.htaccess File

It is a server configuration file that can be used to rewrite and redirect URLs.

HTML Sitemap

What is HTML Sitemap?

An HTML sitemap is for visitors (as opposed to an XML sitemap created for search engines).

It is presented in the form of a list of dots, it displays the links to all the pages of the website. Shows the site hierarchy and helps visitors navigate. It can be used during the development phase of a website to ensure a proper structure that will effectively disseminate the link juice and make sense to the visitor browsing the site.

Is HTML Sitemap Necessary in SEO?

They do not carry the same weight in SEO as XML sitemaps, but they are not completely useless in terms of SEO. However, we encounter it more and more rarely and there is no need to have an HTML Sitemap when your site is small and has few pages or articles.

HTML Source Code

What is HTML Source Code?

The HTML (Hypertext Markup Language) is the standard markup language used to create web pages and applications. The HTML source code is the format that can be read by humans and is the only stage where we can modify the code before the “compiler” translates and visualizes it, into what you see in your browser .

You can view the HTML Source Code in any browser (right-click + Inspect in Chrome and right-click + View Page Source in Firefox).

If you want to modify it, it is recommended that you use plain text (.txt) or some code editor. Most technical SEO is done in HTML source code.


What is HTTP?

The Hypertext Transfer Protocol is the way of transferring data from one computer server (computer server) in a web browser ( web browser ).


What is HTTPS?

The Hypertext Transfer Protocol Secure uses a Secure Sockets Layer (SSL) to encrypt data transferred between a website and a web browser ( web browser ). HTTPS is a small but not insignificant Google ranking factor.

Hub Page

What is a Hub Page?

The Hub Page is a valid web resource -page or article-, dedicated to a specific topic (keyword), which is constantly updated and linked to other pages on the same site but also to websites related to the same or similar topics.


Image SEO

What is Image SEO?

The SEO Image refers to the optimization of all images on a site to increase the relevance of the content (content relevance), the visibility in the search engines (search engine visibility) and the accessibility of the screen reader (screen reader accessibility).

How do I do Image SEO?

  • Make sure the photo file (jpeg, png, etc) is the right size, so it does not slow down the site.
  • Fill in the correct image description.
  • Add alt tags with words that describe what is in the image.
  • Create image sitemaps.


What is Impression?

Every time an ad appears on the user’s screen or a site appears in the SERPs , it counts as an impression.

The same term applies in each case. For example, if a post on the Newsfeed of your followers on your facebook page appears, it counts as an impression.


What is an index?

The index is the database of search engines. It contains data for all sites that could find the crawler ( crawler ).

If a site is not indexed, it will not appear in the SERPs .

You can easily check if and to what extent your site is indexed by checking the URL in the Google Search Console . The results that appear will be all the pages on your site that have been indexed.

Indexed Page

What is Indexed Page?

It is a web page that has been discovered by a crawler , has been added to a search engine index , and is suitable for display in search results for related queries.


What is Infographic?

It is a method of presenting information visually, intended for easy and fast reading. Infographics are more attractive than a traditional article because they convey complex data in a simple way.

The advantages of infographics

  • More social shares
  • They require less time to create.
  • They receive more natural links ( backlinks ).

Internal Link

If a link to your site leads to another page on your site, then it is an internal link. Internal links link the pages of your website and facilitate the navigation of the visitor and the search bots .

It includes not only navigational links, but also links that suggest to the visitor which page to visit next.

Using the right internal linking strategy can help SEO, as you can control the structure of your website and give more weight to some of your pages, placing them higher in the hierarchy.

International SEO

What is International SEO?

International SEO aims to increase your visibility in other countries and create global growth. You can set the location of the country and language according to the geographical location of the user and automatically display the appropriate content.

How do I do International SEO?

  • Optimize your site -in priority- for the most used search engine in your target country and use their keyword planning tools (for example Yandex in Russia and Baidu in China).
  • The hreflang will determine the content language of your website and will help the search engine to display it to the right audience.
  • Translate the HTML elements of the website you use for: SEO – URL, meta-description and meta-title.
  • Translate web page content, including navigation (navigational menus, sidebar widgets, footer, etc.) and images (title, description, alt text ).
  • Use country tracking to adjust to the currency of each country in case you enter prices.

IP Address

What is an IP Address?

The initials IP , means Internet Protocol Address ( Internet Protocol Address ). An IP address can be:

  1. Shared IP : Many sites share an address on a server or group of servers (ie, virtual hosting).
  2. Dedicated IP : A website has its own address.
    It will not help you to have a better ranking in the results. However, a dedicated IP address can increase the speed of your website.



What is Javascript?

The Javascript is a programming language that allows dynamic content insertion, links, metadata or references to websites. It can potentially make it difficult for search engines to crawl and index web pages and increase the time it takes for users to load the web page.

What is Javascript Rendering?

It is the ability of search engines to crawl and understand the content on a web page that is (often dynamically) created through javascript.

Javascript content on a web page can range from simple style changes to deeper integrations that modify the structure of a web page with specific data.

Google is one of the few search engines that supports JavaScript reading. This is because rendering JS content on a web page is a difficult task because the script must first be executed and then processed. This can take a lot of time and resources from the crawler .

In addition, it often does not run properly because JS does not function as an HTML page. Search engine bots find it difficult to determine what a website with JS really is about and what elements it is supposed to contain and where, because JS is dynamically changing the elements of a web page.


KPI (Key Performance Indicator)

What is KPI?

KPI ( Key Performance Indicator ) is a metric you define to measure the effectiveness of your business, employees or website in achieving a business goal.


Some examples of KPIs in SEO are:

  • the monthly organic traffic
  • keywords in the top 3 results on the first page of search engines
  • the retention rate of visitors
  • the conversion rate of visitors to customers ( Conversion Rate )
  • the number of backlinks and much more…


What is Keyword?

The Keywords (key-words) , are words or phrases that users write in the search box of a search engine (like Google) to find a website with relevant content.

Defining a Keyword and using it in your content is what helps bots categorize your site and display it at the right time

Keywords help search engines determine which pages are most relevant for appearing in organic results when a user does a specific search. Keywords usually represent topics, ideas or questions.

Keyword Cannibalization

What is Keyword Cannibalization?

It is the use of the same Keyword for many websites on the same site. It’s something that hurts your SEO as you compete with yourself in search engine results.

* In exceptional cases, it can benefit you by occupying 2 positions in the results on the first page of the search engines (the same site can have up to 2 positions on the first page).

Keyword Density

What is Keyword Density?

Keyword Density , is the percentage that shows us whether a keyword is used in a web page compared to the total number of words.

It is used to determine the relevancy of a website, but there is no clear information about what is the optimal percentage. In fact, it is easier to overdo it than to achieve the ideal density.

Keyword Difficulty

What is Keyword Difficulty?

The Keyword Difficulty is an important measure of how easy or difficult it is to rank on the first page over the competition for a particular keyword. It’s a sign of the popularity of this Keyword.

* A high KD is not always a deterrent.

Keyword Research

What is Keyword Research?

Keyword Research is a process of finding new keywords that are relevant to your business and are suitable for use in terms of search volume and competition.

Why is Keyword Research important?

The effective Keyword Research , it is crucial to determine how profitable can be the markets where it operates, to increase traffic to your website and promote your business.

Keyword Stuffing

What is Keyword Stuffing?

Keyword Stuffing, or Keyword Spam , is the addition of irrelevant keywords or excessive repetition of keywords to a web page, in the hope of getting it in search rankings.

Why Avoid Keyword Stuffing

This spam tactic violates the Google Webmaster Guidelines and may result in manual action .

Knowledge Graph

What is Knowledge Graph?

It is an entity database used by Google to display facts and information about people, places and things (ie, entities) – and their links – in a Knowledge Panel or carousel at the top of search results on relevant queries.

What is a Knowledge Panel?

It is a box that appears at the top or right rail (desktop only) of the first page of Google search results for related queries.

This box contains information and information about people, places and things, as well as links to related sites or Google searches.


Landing Page

What is a Landing Page?

Landing Page is a specific page that appears after a visitor clicks on a link. These pages are optimized for promotion and conversions and are usually linked to a marketing campaign.

In SEO , each landing page can have different Keywords and is optimized accordingly for the best possible ranking in the results.

Latent Semantic Indexing Keyword

Latent Semantic Indexing Keyword – What is LSI?

The LSI Keywords , are words and phrases that are related semantically to the main keyword you use on a website. They have the same context and are often used or put together.

Example: “SEO” LSI keywords are SEO tool, SEO Specialist , SEO service, etc.

Check out some FREE tools to discover LSI Keywords :


What is Lead in Digital Marketing?

To lead , it is a person who may or may not be interested in the products and / or your services. Lead is not just the person who buys from you. Lead is also someone who gives you his email (and usually other personal information or contact information) for example in exchange for something he considers valuable or useful.

What is Lead Magnet?

Refers to the content used on a website (eg a free e-book) to encourage potential customers to leave their email or other contact information.

The email lists collected in this way are then used in further marketing actions. This strategy of generating potential customers is highly dependent on SEO and is probably the most decent and effective way to increase conversions .


link is a link between two websites or web pages of the same website ( internal links ) created using HTML code. A link allows users to navigate websites, social networks and applications. Links play a crucial role in the way websites are evaluated and ranked by search engines.


What is Linkbait?

Linkbait in SEO is considered the valuable content to which other sites will link in a natural way (giving you backlinks ). It is unique, high quality and informative content, with a tendency to go viral.

Hard to achieve, but extremely beneficial for SEO.

Link Building

Link Building is the process of increasing the number and quality of backlinks to your site. Creating backlinks is the most important factor in ranking in the SERPs along with Content , and there are three basic tactics to use it:

How to do link building?

  • Create unique and useful content that other sites will want to share with their audience.
  • Connect with bloggers and influencers, do Guest Blogging or submit your site to niche directories.
  • Leave links to your site in the comments of other blogs and forums (use this approach with caution, because excessive use could be punished by Google).

Link Equity

The Link equity in SEO, is the value of inbound links (or else backlinks), in terms of relevance (relevance), power (authority) and confidence (trust) that they have.

Alternatively you will find it as Link Authority , Backlink Authority , Link Juice , Link Value .

Link Farm

link farm is a group of sites that all link to or link to a site that pays for this service. It is mainly run by automated programs and services that create paid backlinks ,

This practice can lead to a heavy manual action penalty and should be avoided.

Local Citation

What is Local Citation?

Local Citation is any reference to a company name, website address, physical address or phone number for a local business. The Local Citations , can affect your ranking in the search engines for local searches and easier for users to find and discover your business more easily.

Local Search

It is a geographically limited search that displays businesses in relation to the user’s location. It usually refers to physical stores or service providers. Example: “pizzeria near me” or “car repair shop Nea Ionia”.

Log File

What is a Log File?

log file is a file that records the information of users who visit a site, such as:

  • IP address
  • browser type
  • Internet Service Provider (ISP)
  • date / time
  • input / output pages
  • and number of clicks.

What is Log File Analysis?

It is the process of exploring the data contained in a log file to identify trends, manage the site, monitor user traffic around the site, collect demographic information and understand how to crawl the site from bots .

Long-Tail Keyword

What is a Long-Tail Keyword?

The long-tail keyword is a very specific phrase (usually three or more words) that matches what you are selling or offering. This type of search is usually done by users who are very close to buying.

Therefore, although they have a smaller search volume, they have a much higher Conversion Rate than keywords that have a high search volume.



What is marketing?

The marketing (marketing) , involves an organized effort of a company or organization to meet the needs and desires of consumers.

A company through market research tries to match the products or services it produces with the target customer who needs them or wants them.

The main goal of marketing is repetitive sales.

What does a marketer do?

A marketing manager wants to create a long-term relationship with the customer by offering high value to the company’s products, a value higher than the corresponding products of the competition.

What is the purpose of marketing?

Through the highest value that a marketer gives to the products-services of a company, the competitive advantage of the company is achieved, ie the superiority of itself and its products over the competition.

All of the above in turn lead to customer loyalty and ultimately to repeated sales of the company’s products / services.

Meta Data

What is Meta Data?

The meta data (metadata) are used to provide descriptive information for a site. They are configured using meta tags in the site code and used by the browser and search engine crawlers .

Meta Description Tag

What is Meta Description?

The Meta Description Tag describes the content of a web page and is used by search engines in the search results snippet. If left blank, the search engine will alternately select a paragraph from your content to display in the snippet.

The chances of Google ignoring your transcript are very high. It does not necessarily affect your SEO, but checking what appears in the search results snippet can greatly improve your CTR .

Meta keywords

What are Meta keywords?

The meta keywords are metadata elements used to update bots on relevant keywords a website.

In the past, they were used extensively by websites to manipulate search engines by entering keywords that were not related to the content. This is just one of the reasons why meta keywords are no longer used as a ranking factor for a website.

Avoid using meta keywords now, as the result they have in SEO is from neutral to negative.

Meta Tags

What is Meta Tags?

The Meta Tags , the information is displayed in the HTML source code of a website, to describe its content in search engines. The meta-title & meta-description is the most commonly used types of Meta Tags in SEO.

Meta Title

What is Meta Title?

The Meta-title (meta title) in the title of an HTML document displayed in both results snippets of the search engine and on the page tab in browsers . It is also found as a ” title tag ” or “page title”. Adding a meta-title to the HTML code of a web page is done within the <head> section of the document, using the <title> tag.

Mobile Optimization

What is Mobile Optimization?

It concerns the improvement of a website, so that it is suitable for viewing and interaction through any mobile device (mobile phone, tablet). Optimizing for a mobile device usually means:

  • the layout and text of the site should be updated for easier reading
  • any navigational or CTA buttons to enlarge
  • the size of each image to be adjusted.

Mobile-First Indexing

What is Mobile-First Indexing?

It is an approach to indexing a website, where the mobile version is crawled and indexed as a matter of priority. The desktop version will still be indexed and ranked, but if there is no mobile version or the site is not fully mobile optimized , it will have a negative impact on the ranking.

Mobile-Friendly Website

What is Mobile-Friendly Website?

It is a website optimized for mobile viewing. This can be done in one of two ways, either by having a mobile version of your site or by making the site mobile-friendly (the site shrinks or changes its layout depending on the screen size of the device).


Negative SEO

What is Negative SEO?

A rare but malicious SEO practice , where webspam tactics are used to damage another site’s search rankings. They are usually performed by a competitor.

Nofollow Link

Nofollow is an attribute value of a link. Using it, we inform the search engine crawlers that we do not want to transfer link equity (link juice) to the site that we direct a user.

No index tag

What is no index tag?

The noindex tag is a meta tag that tells search engines not to index a specific web page in their index.

Noopener – Noreferrer

Noopener – What is Noreferrer?

These are the values ​​set for the rel attribute of a href tag (link). They determine the relationship between the web page where the link was located and the web page that the link points to.

They have no effect on SEO, they are used for security and performance reasons.


Off-Page SEO

What is Off-Page SEO?

The off-page SEO , refers to all actions to improve the ranking of your site in search results, but they are actions taken out of your website. In addition to link building , such actions are:

On-Page SEO

What is On-Page SEO?

The On-Page SEO , refers to all actions taken on a website to rank higher in search engine results. The main actions are:

  • publishing relevant, high quality content
  • correct use of keywords
  • HTML code optimization (eg title tags , meta-tags )
  • site architecture
  • site navigation
  • structure of URLs etc.

Organic Search Results

What are organic search results?

The organic search results , are natural or unpaid listings displayed on search engine results. The organic search results , which are analyzed and classified based on algorithms designed to provide users with the most relevant results based on their query.

Orphan Page

What is Orphan Page?

It is any website that is not linked to any other website of this site. It is generally an orphan page that bots cannot detect , so they have no value in SEO.

Outbound link

It is a link that directs the visitors of a website to a different website from the one they are on.

Outreach Marketing

What is Outreach Marketing?

It is a type of marketing, where we find individuals / companies / organizations that are very likely to value what we have to offer them (products and services or content). The Outreach Marketing is highly targeted and personalized approach type leads.

It is very likely that our email will be characterized as spam by sending emails recklessly to anyone without personalizing them.

The Outreach Marketing used in SEO, has as its main objective the creation of backlinks .



What is Pagerank?

According to Google: “PageRank measures the relevance of a page based on inbound links from other pages. Simply put, every link from another site to a page on your site increases your pagerank. Not all Backlinks are created equal.

The algorithm was named after Google co-founder Larry Page. Etymologically it is not related to the translation of the word page which means page, it just happened.

Page Speed

What is Page Speed?

The time required to fully load a web page. The speed of the website is now an important ranking factor .

The bounce rate of visitors tends to be higher on slower websites and negatively affects even the time spent on them, as well as the loyalty of users.


What is PBN?

It means Private Blog Network . See also Link Farm .


What is PHP?

The PHP (Hypertext Preprocessor) is a scripting language used to create dynamic content on Web pages.


What is PPC?

The PPC (Pay Per Click) , is a type of advertising where advertisers are charged a certain amount (usually determined by bid, relevance, account history and competition) every time a user clicks on the ad.

The combination of PPC and SEO can lead to more positions in search engine results (SERP), more clicks and conversions .

Primary Keyword

What is Primary Keyword?

It is the most frequently used keyword in a website, and has the most potential to increase its traffic. Since your content can be optimized for different keywords, it is advisable to first select the Primary Keyword and then use it in the content title, in some H2-H3 headings as well as in the first and last paragraph.

Always write as naturally as possible and do not try to squeeze a keyword if it does not make sense.


Quality Content

What is Quality Content?

It is the quality content on your website that helps you achieve your business or marketing goals (eg, increase organic traffic, social shares, rankings in the SERPs, generating potential customers / sales, etc.).


Query what is it?

The word, words or phrase that a user enters into a search engine.

Also known as: Search .



What is Rank?

The ranking of a web page in the organic search results for a specific query .

Ranking Factor

What is Ranking Factor?

It is an individual component of a complex set of algorithms that determine where specific web pages should appear in organic search results for a particular query. For years, Google has stated that its algorithms “rely on more than 200 unique signals” to help users find the most relevant website or answer their query.

Also known as: Ranking Signal .

Reciprocal Links

What is Reciprocal Links?

These are the links that two sites agree to exchange with each other.


What is Redirect?

The Redirect (redirect) is a technique that sends a user (or search engine) requested a web page in a different (but equally relevant) website. There are two types of redirects:

Redirect 301

Permanent redirect from one web page to another.

Redirect 302

Temporarily redirect one web page to another.

Responsive Design

What is Responsive Design?

It’s the way a website is designed to automatically adjust to a user’s screen size, whether viewed on a desktop or mobile device.

Rich Results

What is Rich Results?

The Rich Results (fortified results) are elements commonly found in boxes at the top of the Google SERPs. They are essentially improved results and have additional visual or interactive features. They do not affect the rankings but increase the CTR .

The only way to get your content displayed as a Rich Result is to use Structured Data markup (or Schema) correctly .

Types of Rich Results

  • Breadcrumb
  • Carousel
  • Event
  • FAQ
  • How-to
  • JobPosting
  • Local business
  • Movie
  • Podcast
  • Q&A
  • Recipe
  • Review snippet
  • Sitelinks Search box
  • Software App
  • Video etc.

Rich Snippets

What is Rich Snippets?

The Structured Data (structured data), may be added to the HTML code of a site. With these, search engines get richer details about the content of the site. This information can then be displayed in search results. The result is an enhanced presence in the SERPs , known as the Rich Snippet (rich snippet).


What is Robots.txt?

The Robots Exclusion Protocol (Robots Exclusion Protocol) is a text file, accessible from the root folder of a site, which tells crawlers , which areas of a site should ignore and not include them in search results.

Return On Investment (ROI)

What is ROI?

A way to measure the performance of the actions we do in SEO or any other type of Digital Marketing . It is calculated by dividing the revenue we earn from these actions by the cost of the total investment and then multiplying by 100.



What is scraping?

The Scraping refers to the use of a computerized program (web scraper) to collect data (often metadata) from multiple sites. The data collected could be all of your competitor ‘s blog titles , along with their meta-descriptions .

This technique can be used for Black Hat SEO , where the content is cut off and then published in its entirety on another website with which it now has to compete.

When used as part of White Hat SEO , data is used informatively, to discover specialized opportunities, for link building or outreach purposes .

Search Engine

What is a Search Engine?

The Search Engine and Search Engine is a program that allows users to enter a query to retrieve information (eg, files, websites, web pages) from the index of the program (such as Google). The search index is created and updated using a crawler , with data that is analyzed and sorted by a series of algorithms.

Other popular search engines besides Google are: Baidu (China), Bing (USA), DuckDuckGo (does not store user data), Yahoo , Yandex (Russia).

Search Engine Marketing (SEM)

What is SEM?

The Search Engine Marketing , is a form of online marketing where you try to acquire traffic to your site increasing your visibility in SERPs .

The SEO and Paid Search (placement on SERPs pay – Google Ads) are both components of SEM . Sometimes the term SEM is associated exclusively with Paid Search.

Search Engine Optimization (SEO)

What is SEO?

In SEO , is the process of optimizing a website – and all content in this site – in order to appear in the top positions in organic results of search engines.

The SEO requires understanding how the operating search engines , what users are looking for (ie, keywords and keyphrases ) and why people looking for what you are seeking (intent).

Successful SEO makes a website attractive to both users and search engines. It is a combination of techniques ( on-page SEO ) and marketing ( off-page SEO ).

See also:

SEO Service

What is SEO Service?

It is a paid service that we use to increase our online visibility by improving our website for search engines with the help of a professional SEO Specialist .

  • Do you need SEO Services ?

SEO Site Audit

What is SEO Site Audit?

It is the complete analysis of a website’s visibility in search engines . It aims to help you find bugs, issues and “holes” in your content. Then you can use the findings and incorporate them into your SEO strategy.

There are two types of checks you can do to get SEO information about your site:

  • SEO ( technical seo audit )
  • and control content ( content SEO audit )

You can tweak them using scraping programs (like Screaming Frog ), many online tools or manually create detailed excel sheets with your analysis.

Search Engine Results Page (SERP)

What is SERP?

It is the page that search engines display to users after conducting a search. Typically, search engines show 10 organic search results, sorted by relevance . Depending on the query, other types of search results may appear, such as:

  • AdWords Ads (above and below organic search results).
  • Suggested Excerpts (also known as Position Zero).
  • Pictures.
  • Knowledge panels.
  • Local Pack (with map).
  • News.
  • Related questions.
  • Related searches.
  • Purchase results.
  • Sitelinks.
  • Tweets.
  • Video.

Also referred to as: SERPs , when referring to multiple search engine results pages.


What are Sitelinks?

The Sitelinks , as are six algorithmically selected links displayed under the entry for the same site a top organic search result.

They can be blocked from appearing as Sitelinks in the Search Console or Bing Webmaster Tools .


What is a sitemap?

The Sitemap (sitemap) is a list of pages on a website. There are two types of sitemaps:

  • HTML Sitemap : This type of sitemap, usually organized by theme, helps site users navigate a site.
  • XML Sitemap : This type of sitemap provides Crawlers with a list of webpages on a site.

Site-wide link

What is a site-wide link?

It is a link that appears on all pages of your site. These are usually links that are placed in the header or footer section of the site.


What is Skyscraping?

The Skyscraping is a method where you can find many popular websites with links to write better content than what you have, and then approaches the sites associated with them, offering your own link with improved content. Obviously the goal is to gain new and quality backlinks .

Social Media Marketing – SMM

What is Social Media Marketing?

The SMM is the procedure to use Social Media as a channel that drives traffic, visibility of your company and your brand awareness by creating attractive, shareable content.

SMM does not directly affect Google rankings, but since social media is also considered a search engine, optimizing it will definitely pay off.

  • Do you need Social Media management for your business ?

Social Signal

What is Social Signal?

The Social Signals , is a term in SEO describing the dedication activities ( engagement ) on social media such as shares, votes, pins, views etc.

It’s not entirely clear whether they affect rankings (Google has publicly stated that they are not a direct ranking factor), but they certainly increase the likelihood of a site being mentioned more often, increasing the number of backlinks and improving a company’s Brand Awareness.

SSL Certificate

What is SSL?

It is a digital certificate used to authenticate a website and to encrypt information sent to the server using Secure Sockets Layer technology .

Status Codes

What are Status Codes?

The Codes Status (Response codes) sent from a server (server) every time you click on a link, you ask a website or a file or submitting a form. The most common HTTP status codes that are important to SEO are:

  • 200 (OK)
  • 301 (Permanently Redirected)
  • 302 (Temporarily Redirected)
  • 404 (Not Found)
  • 410 (Gone)
  • 500 (Internal Service Error)
  • 503 (Service Unavailable)

What is Status Code 301?

It is a status code that indicates that a URL has been permanently redirected (or moved) to a new location. Used when a page is deleted and instead of your visitors receiving an error page (404), they are automatically sent to a new page. This is the best way to redirect as it passes a very high link equity (link juice) on the redirect page.

What is Status Code 302?

It is a status code that indicates that a URL has been temporarily redirected. This happens when a page is removed and its URL now points to a different page. The visitor will not see a difference between this status code and 301, but search engines will not transfer the same link equity (link juice) as 302.

What is Status Code 404?

Page not found . It happens when the website is deleted, but there are still links to it anywhere on the internet. 404 is very detrimental to both the user experience and the health of the site, and it is generally best to create a 301 redirect if you have another page with semantically common content.

What is Status Code 410?

It is a status code that indicates that a URL has been permanently removed, while instructing crawlers to remove it from their index.

What is Status Code 500?

It is a status code that indicates that there is a problem with the server – at the database or code level – and there is no access to your site.

What is Status Code 503?

It is a status code that is usually used in the case of site maintenance. Using this code you ask the bots to return later.

Structured Data

What is Structured Data?

When added to HTML code, the Structured Data Schema helps guide bots to items that contain valuable information to more accurately identify your web page content.

In 2011. partnered with Google, Bing, Yahoo and Yandex to create a list of standard Structured Data that will support and appear in their SERPs .


Technical SEO

What is Technical SEO?

It is a part of SEO that deals with making it as easy as possible for the search engine bot to crawl and index your site and focuses on improving the rendering phase. The technical SEO is the foundation of all other SEO activities and is absolutely essential if you want to maintain optimum performance of your website.


  • site performance.
  • image optimization.
  • site structure.
  • responsiveness.

Title Tag

What is a Title Tag?

It is an HTML meta tag that acts as the title of a web page. Usually, the title-tag is the title that search engines use when displaying search engines, so it should include strategies and related keywords for that page. It should also be written so that it makes sense to users and attracts the most clicks. Usually, title-tags must be less than 65 characters.

Thin Content

What is Thin Content?

In essence, Thin Content is defined as content that offers little or no value to the user. This can be anything from pages with:

  • very small amounts of text
  • computer-generated content
  • content duplicate (duplicate content)
  • copied pages
  • low quality affiliate pages
  • doorway pages .

How to deal with Thin Content:

  • remove it
  • noindex meta-tag
  • update – update it with substantially relevant content
  • redirect – using status code HTTP 301


What is Traffic?

The traffic (traffic), shows us the visits received by the website of our people (and sometimes bots ).

Basic types of traffic:

  • direct (direct traffic by entering the URL of a website)
  • organic (from organic results to SERPs)
  • paid (from ads)
  • referral (from citations of others)


User-Generated Content (UGC)

What is UGC?

It is any form of content (videos, blog posts, comments, reviews, etc.) created by users or customers.

Unnatural Links

What is Unnatural Links?

Unnatural Links are what Google often identifies as suspicious, misleading, or intended to deceive. An unnatural link can result in a manual action penalty on your site.


What is a URL?

URL (Uniform Resource Locator) is the specific character string that leads to an online resource. The term URL is usually short and is based on letters (eg ). It is entered in a browser to access a web page.

What is Usability?

The Usability (christkotita), shows how easy it is for users to use your site. Website design, browser compatibility, improvements for users with disabilities, and other factors all play a role in improving the usability and accessibility of your website to as many people as possible.

User Engagement

What is User Engagement?

It is a measure that describes how good a site is at keeping the visitor’s attention so that it continues to browse.

User Experience (UX)

What is UX?

The User Experience (user experience), is an engine search ranking factor, which describes how easy or pleasant it is to use a product (such as a website) or a service.

What factors affect UX:

  • The simplicity and usability of the UI (User Interface).
  • The structure of the site.
  • The speed of the site.
  • Responsiveness (mobile response).

These factors affect both users and search engines and directly affect our SEO.

User Interface (UI)

What is a UI?

The User Interface is everything that appears on your site with which the user can interact. The UI must be:

  • simple (avoid unnecessary elements)
  • clean (use 2-3 max colors, correct sizes in all your elements and their arrangement, in order to create a hierarchy. Thus, a user will be much easier to read your content.
  • consistent
  • intuitive (that is, to work in the way the user would expect. Basically to be similar to most other sites).

The purpose of the UI is to make a positive impression on our visitors and offer them a good user experience. As the above factors affect the length of stay and the loyalty of the users on our site, it is vital for SEO.


Voice Search

What is Voice Search?

It is a type of technology that is activated by voice. Allows users to talk on a device (usually a smartphone) to ask questions or perform an online search.

Video Optimization

What is Video Optimization?

These are the steps we take to increase the search visibility of a video, usually on YouTube. There are two stages:

  • one optimizes your channel.
  • and the other optimizes the video itself.

Key practices include:

  • identify the keywords.
  • write a description that will benefit both viewers and search bots.
  • do not forget to use the tags (which together with the description will help you determine the relevance).
  • used thumbnails that stand out from the rest of the videos in the search results.

Viral Content

What is Viral Content?

It is a type of media (article, image, video, tweet, fb post etc) that becomes very popular in a short time. This content spreads fast through the internet and gets backlinks , is liked by many people and is highly shared on social media.



What is a webpage?

Webpage, or web page, is a document that exists on the World Wide Web and can be viewed by web browsers.


What is a Website?

A collection of websites hosted all together on the World Wide Web. If you have a business or you are a professional it is almost impossible to develop your business and increase your sales and customer base without having a website.

Website Navigation

What is Website Navigation?

Website Navigation, or Website Architecture, is the way a website links to its web pages to help visitors navigate.

Elements of Navigation – Website Architecture

1. Main Navigation – Main navigation

The main topics or sections that your site focuses on. See for example the main menu of

2. Secondary Navigation – Secondary navigation

Contains issues related to the main navigation. It is not always necessary. This is a second menu with themes related to the main menu.

3. Footer Navigation – Footer Navigation

This usually includes links to pages that contain important information resources about a brand or business. These pages are usually not relevant to SEO.

4. Relative links – Related links:

This area usually appears on the right rail or below the content. It can be called “Most Popular”, “Most Popular” or “Trends Now”.

5. Content links – Content links:

Links that appear in your main content (eg articles, landing pages).

6. Breadcrumb Navigation

This type is less popular than ever. Virtually every website displays a “trace” that helps you quickly tell visitors to your site. For example:

Website Quality

What is Website Quality?

The quality of a site is determined by a set of features that bots try to verify when indexing a site. To determine the quality of a particular website, the following key elements are taken into account:

  • content relevance.
  • content length.
  • user loyalty ( user engagement ).
  • spelling.
  • social signals.
  • backlink profile.
  • readability (be legible).
  • variety of media (videos and pictures).

White Hat SEO

What is White Hat SEO?

It is the SEO practices that focus on content optimization, which primarily serves the human audience instead of the search engines. This type of strategy follows Google’s Webmaster Guidelines .



What is XML?

The XML (Extensible Markup Language) is a markup language used by search engines to understanding a site’s data.

XML Sitemap

What is XML Sitemap?

The XML Sitemap , is a list of all pages of a site to be aware of the search engines to include them in their index.



What is Yahoo?

The Yahoo was born in April 1994 and was an extremely popular search engine and portal in the 90s. Yahoo search was mostly human, at least until June 2000, when a then-unknown search engine called Google began to feed Yahoo’s organic search results.

This agreement lasted until 2004, when Yahoo began using its own search technology. Since 2010, Yahoo’s organic search results have been powered by Microsoft search engine Bing.


What is Yandex?

It is the most popular search engine in Russia. Yandex was founded on September 23, 1997, by Arkady Volozh and Ilya Segalovich.


What is YMYL?

The YMYL (Your Money or Your Life = Your money or your life) is a Google search directive. YMYL pages are the ones that contain tips for money, happiness, health, family or nutrition. Tips like these can have a huge impact on a person’s life and bad information (misinformation) can have irreparable consequences. This is why Google is very hard on YMYL pages and judges them harshly, insisting on high quality, reliable user protection information.

Yoast SEO

What is Yoast?

A very useful SEO plugin for WordPress. Using Yoast SEO the user can:

  • Define the title and description for the search results snippet in the search engines
  • to check the readability of the content
  • define a focus keyword to receive simple SEO instructions in creating content
  • indicate if its content is important ( cornerstone content )
  • to manage links and meta-robots
  • manage the appearance of the title, description and image that will be used when someone posts a link to your content on social media.


Zero Click Search

What is Zero Click?

It’s a search query that gets no clicks. Appears when users search and for some reason do not click on any of the results.

A common reason why a query does not receive any clicks is that Google is likely to answer the query through some form of rich results .

SEO & Digital Marketing Glossary

I hope you find it useful, the truth is that it took a long time and will be supplemented regularly with new terms.

In case a term is missing from the glossary, do not hesitate to contact me to add it.

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