Dictionary of terms on the web


The digital world is rich in terms and abbreviations that are used daily in the web, marketing, technology and business. This dictionary of digital terms is designed to provide clear and comprehensible explanations of commonly used terms in one place. The goal is to make it easier to navigate the digital environment, whether you are a beginner or already have experience working with digital technologies.

Glossary of terms

Vocabulary terms

200 OK - server response

What's the answer to code 200 OK? HTTP response with code 200 OK indicates that the server has successfully processed the request. This means that the requested website is available and its visitors …

301 Redirect

What is a 301 redirect? HTTP status code 301 indicates that the requested resource has been permanently moved to a new address. It is also often called 301 Moved Permanently and browsers and search engines clearly …

302 Redirect

What is a 302 redirect? 302 redirect is an HTTP status code that indicates that the requested resource has been temporarily moved to another URL. It is also known as 302 Found, and earlier …

304 Not Modified

What is HTTP 304 Not Modified? The HTTP status code 304 Not Modified indicates that the resource you are trying to access has not changed since your last request. In this case the server does not …

307 Temporary Redirect

What is 307 Temporary Redirect? 307 Temporary Redirect is an HTTP status code that indicates that a resource has been temporarily moved from its original location to a new URL. The browser is required to …

400 Faulty Requests (Bad request)

What is a 400 Bad Request error? The status code 400 Bad Request means that the server cannot process the request due to a client-side error. Servers usually return this error when they fortify …

403 prohibited (Forbidden)

What is the 403 Forbidden error? Error 403 Forbidden is an HTTP status code that means that the server has received and understood the user's request, but for security or administrative reasons does not …

404 Unable to find (Not found)

What is 404 Not Found? The HTTP status code 404 Not Found indicates that the server cannot find the requested page or resource. This usually occurs when: Sometimes the server can restore …

410 permanently removed (Gone)

What is HTTP 410 Gone? The 410 Gone HTTP status indicates that the resource or page you are trying to access is no longer available on the server and is likely to be permanently removed. Usually …

451 Unavailable for Legal Reasons

What is 451 Unavailable for Legal Reasons? HTTP status code 451 Unavailable for Legal Reasons indicates that a website or a particular URL is not available due to legal restrictions. This can happen to ….

500 server error (Internal Server Error)

What is 500 Internal Server Error? The status code 500 Internal Server Error indicates that the server encountered an unexpected issue that prevented it from processing your request. In other words, something …

502 faulty access server (502 Bad Gateway)

What is 502 Bad Gateway? Status code 502 Bad Gateway indicates that the gateway or proxy server received a faulty or incomplete response from another server that should have been processed by your …

Agency SEO

What is Agentic SEO? Agency SEO is a modern approach to search engine optimization that uses AI agents to automate tasks performed so far by SEO experts. AI Agent is …

AI search

What is an AI search? AI search is a search method in which search engines use artificial intelligence (AI) systems to understand the intent and context of the term a user enters and return it to …

AI content

What is AI content? AI content refers to text, audio, videos and images created by AI-based programs. These programs use advanced algorithms and models capable of producing …

AI SEO

What is AI SEO? AI SEO is the practice of using artificial intelligence tools to improve the visibility of a website and its position on search engines. It involves the automation of one or more aspects of SEO: on-page SEO, …

Alt text

What is an alt text? Alt text, or alternative text, refers to text that briefly describes an image on a website. Search engines are always visible, while visitors are only visible in cases of …

AMP (Accelerated Mobile Sites)

What is AMP (Accelerated Mobile Pages)? AMP is an open HTML framework that allows you to create extremely fast and mobile customized versions of web pages. Initially, the abbreviation meant Accelerated Mobile Pages, but …

Domain authority

What is the Domain Authority? Domain authority (DA) is a metric that predicts how much a website could rank on Google's search results. Developed by Moz …

BERT (Artificial Intelligence)

What is BERT? BERT (abbreviated from Bidirectional Encoder Representations from Transformers) is an artificial intelligence model and machine learning algorithm that Google uses to understand search intent. Google BERT has released …

Breadcrumb navigation

What is Breadcrumb Navigation? Breadcrumb is an auxiliary navigation path that shows visitors where they are currently on the website. It shows the relationship between the homepage (entry) and the page that the user is currently …

Cache (caching)

What is a cached page? A cached page is a copy of a web page stored elsewhere than the original server. The place where this copy is kept is called cache, and the copy itself is …

CDN (Content delivery netvork)

What is CDN (content delivery network)? CDN or content delivery network, content distribution network, is a set of servers that work together to allow visitors quick access to web …

Domain

What is a domain? A domain is a unique, easily memorable internet address that serves to identify and find a website on the Internet and is a substitute for a server's numeric IP address. The domain name is …

Duplicate content

What is duplicated content? Duplicate content refers to content that appears on different URLs on the same website or on different websites across the Internet. It can be completely …

E-E-A-T

What is E-E-A-T? E-E-A-T (or Double-E-A-T) stands for Experience, Expertise, Authoritativeness and Trustworthiness. It's a set of signals that Google's search quality assessors use to assess …'s quality

Ranking factor

What is a ranking factor? A ranking factor is a signal, metric or criterion used by search engines to evaluate and rank websites on search results pages. This includes elements on the page (such as …

Hosting

What is hosting? Hosting is a service that allows your website to be available online. It is a server space, that is, a computer that is constantly connected to the Internet, …

Incorrect link

What is a Broken Link? A faulty link is a hyperlink that leads to a page or resource that no longer exists. When a visitor clicks on such a link, the … error is most often displayed

Parasitic SEO

Parasitic SEO (piggyback SEO, authority jacking) is a SEO technique in which a third party publishes its content on a highly authoritative website with the intention of using the authority of that site to generate …

Broken Link

What is a broken link? A broken link is a hyperlink that leads to a website or resource that no longer exists. When a visitor clicks on such a link, it ends up on the 404 … error page

Backlinks

What are backlinks? Backlink is a link from one website to another. If it's your website, a backlink is a link that comes from another site …

Call to Action (CTA)

What is Call to Action? Call to Action (CTA) is a text, image, or button that prompts a user of a website or app to take a specific action immediately. …

Click-through rate (CTR)

What is the clickthrough rate (CTR)? The click-through rate (CTR), in SEO, indicates the percentage of users who click on a website after seeing it in search results. Calculates …

Bounce rate

What is the abandonment rate? The abandonment rate represents the percentage of visitors who leave the website after having viewed only one page. This indicator is often used to assess user engagement as a high …

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