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Home » SEO A to Z Glossary : Terms & Definitions You Need to Know for SEO Beginner

SEO A to Z Glossary : Terms & Definitions You Need to Know for SEO Beginner


Accelerated Mobile Pages (AMP)

Accelerated Mobile Pages (AMP) is an HTML framework designed and introduced by Google to facilitate the creation of lightweight, fast-loading versions of web pages optimized for mobile devices. The framework aims to enhance user experience by reducing loading times and providing a seamless browsing experience on mobile platforms.

Alt Text

Alt text, also known as alternative text, serves as a textual description of an image within a web page. Its primary purpose is to aid individuals using screen readers or assistive technologies to comprehend the content of the image. Additionally, search engines use alt text to better understand the context and relevance of images in the overall web page content.

Anchor Text

Anchor text refers to the visible, clickable text within a hyperlink that directs users to another web page. Google and other search engines leverage anchor texts to gain insights into the content of the linked page, thus improving their understanding of the page’s topic and relevance.

Article Spinning

Article spinning, alternatively known as content spinning, involves the process of rephrasing existing content to generate multiple “new” pieces of content. This practice can be done manually or through automated software. It is essential to exercise caution when using article spinning, as it may lead to the production of low-quality content and potential issues with search engine rankings.

Article Syndication

Article syndication entails the republishing of content from one source onto one or more third-party websites without significant alterations. The syndicated content appears identical to its original form and may be shared across various platforms to widen its audience reach.

Auto-Generated Content

Auto-generated content is produced using software or code without direct human intervention. While this approach may save time in content creation, it is crucial to ensure that the quality and relevance of the content meet the desired standards for a positive user experience and search engine ranking.




Backlinks are hyperlinks on one website that direct users to another website. Search engines assess the quality and quantity of backlinks to determine a website’s authority and significance, influencing its position in search engine result pages (SERPs).

Bing Webmaster Tools

Bing Webmaster Tools, offered by Microsoft, is a free service that enables website owners to monitor and troubleshoot their website’s performance in Bing’s search results. This tool provides valuable insights into a website’s indexing status and overall visibility on Bing’s search engine.


Bingbot serves as Microsoft’s web crawler responsible for systematically browsing the internet to gather information and build an index of web pages for Bing’s search engine.

Black Hat SEO

Black hat SEO involves the use of tactics, techniques, and strategies that violate search engine guidelines to achieve higher rankings. Such practices exploit algorithmic loopholes, and their use may lead to penalties or removal from search engine results.

Bounce Rate

The bounce rate represents the percentage of visitors who leave a website after landing on it without taking further action, such as navigating to another page, making a purchase, or engaging with the content.

Branded Keywords

Branded keywords are specific words and phrases associated with a brand, its products, or services, commonly used by users when conducting searches related to that brand.

Breadcrumb Navigation

Breadcrumb navigation refers to a series of internal links that display a clear trail for users and search engines to follow through a website’s structure. It aids in navigation and enhances the user experience by providing a contextual path within the site’s hierarchy.

Bridge Page

A bridge page is a specialized web page designed solely to redirect users to another destination. It is commonly used by affiliate marketers to drive traffic to affiliate links or external offers.

Broken Link

A broken link, also known as a dead link, is a hyperlink on a web page that points to a non-existent or inaccessible resource. It is essential to regularly monitor and fix broken links to enhance user experience and maintain a healthy website structure.



Cached Page

A cached page is a version of a web page stored by search engines, such as Google, during their last visit to the page. Cached pages allow users to access content quickly, even if the original page is temporarily inaccessible or unavailable.

Canonical Tag

The canonical tag (rel=“canonical”) is an HTML element used to identify the primary version of duplicate, near-duplicate, or similar pages. By specifying the canonical URL, website owners can inform search engines which version of the content they should prioritize for indexing and ranking.

Canonical URL

A canonical URL represents the preferred and authoritative version of a set of duplicate or near-duplicate pages. It helps search engines understand the main version to consider for indexing and ranking, reducing the risk of duplicate content issues.


Co-citation occurs when two or more documents are cited together by other sources, indicating a thematic connection or relevance between the cited documents.


Co-occurrence refers to the occurrence of specific keywords together on web pages that discuss a particular topic, providing contextual signals for search engines to understand the content’s relevance.

Computer-Generated Content

Computer-generated content is content produced by software or algorithms, aiming to mimic human-generated content. However, it is crucial to ensure the quality and value of such content to maintain a positive user experience.

Content Delivery Network (CDN)

A Content Delivery Network (CDN) is a globally distributed network of servers designed to enhance website performance by reducing page loading times for users around the world. CDNs store and deliver website assets from servers geographically closer to the user, ensuring faster access to content.

Content Hub

A content hub refers to a centralized collection of interlinked content pieces focused on a specific theme or topic. Content hubs aim to provide comprehensive resources for users seeking in-depth information on a particular subject.

Core Web Vitals

Core Web Vitals are a set of metrics used by Google’s Page Experience signals to assess and measure user experience aspects, such as page loading speed, interactivity, and visual stability.

Cornerstone Content

Cornerstone content represents a collection of highly essential and informative articles on a website, specifically targeted for ranking higher in search engines and serving as a foundation for the site’s overall content strategy.

Crawl Budget

Crawl budget pertains to the number of pages and the rate at which a search engine crawls and indexes a website. It influences how frequently search engines revisit and update the indexed content.


Crawlability refers to a search engine’s ability to access and navigate the content on a web page for indexing and ranking purposes. Websites should be designed with crawlability in mind to ensure search engines can effectively analyze the content.


A crawler, also known as a spider or bot, is a program used by search engines to systematically browse the internet, discover web pages, and collect data for indexing and ranking.



Dofollow Link

A dofollow link is a hyperlink that passes link equity or PageRank to the linked page, positively influencing its search engine ranking.

Domain Rating (DR)

Domain Rating (DR) is a metric used to evaluate the relative strength of a website’s authority based on its backlink profile. It helps determine a website’s overall SEO potential.

Doorway Page

A doorway page is a web page created to rank highly for specific search queries without offering valuable or relevant information to users. These pages often redirect users to different content or destinations.

Duplicate Content

Duplicate content refers to identical or substantially similar content that appears on multiple web pages or websites. Search engines aim to display the most relevant and unique content to users, and duplicate content can impact search rankings.

Dwell Time

Dwell time measures the amount of time a user spends on a web page after clicking on a search result. A longer dwell time indicates that the content is engaging and relevant to the user’s query.

Dynamic URL

A dynamic URL contains variable parameters and content that changes based on user interactions or database inputs. Dynamic URLs can present challenges for search engine crawlers, affecting a website’s SEO performance.



Editorial Link

An editorial link is a hyperlink pointing to a website that was placed without direct solicitation or payment. These links are earned naturally based on the quality and relevance of the website’s content.

Email Outreach

Email outreach involves the process of reaching out to relevant individuals or organizations via personalized emails to promote products, content, or collaborations.

Entry Page

An entry page, also known as a landing page, is the initial web page a user visits upon arriving at a website through organic search, advertising, or other referral sources.

Evergreen Content

Evergreen content refers to content that remains relevant and valuable over an extended period, as it does not become outdated quickly. This type of content continues to attract and engage users over time.

External Link

An external link is a hyperlink that points from one website to another external website or domain.



Faceted Navigation

Faceted navigation is a type of website navigation commonly used on e-commerce sites with a large number of listings. It enables users to filter and narrow down search results based on various attributes or parameters.



Gated Content

Gated content refers to valuable resources or content that users can access only after providing their contact information or completing a specific action, such as filling out a form or subscribing to a newsletter.

Gateway Page

A gateway page is a web page designed to rank for specific search queries, but it lacks substantial content or value for users. It typically redirects visitors to other pages or destinations, often used in affiliate marketing strategies.

Google Alerts

Google Alerts is a free service provided by Google that allows users to monitor the web for specific content changes or updates related to their designated search queries.

Google Algorithm

The Google Algorithm is a complex set of rules and algorithms used by Google to determine the relevance and ranking of web pages in response to user search queries.

Google Analytics

Google Analytics is a free web tracking tool offered by Google to analyze and gather insights into how visitors interact with a website, providing valuable data for website performance assessment.

Google Autocomplete

Google Autocomplete refers to the search suggestions provided by Google as users type their queries into the search bar. These suggestions are based on popular and relevant search queries.

Google Bombing

Google Bombing is an intentional practice by individuals or groups to manipulate search engine rankings to produce unexpected or humorous results for specific search queries.

Google Business Profile

A Google Business Profile, also known as a Google My Business listing, is a free business listing provided by Google. It appears in maps and web search results, offering crucial information about a business, such as its address, contact details, and operating hours.

Google Caffeine

Google Caffeine was an update to Google’s search index introduced in 2010. It improved the speed and freshness of search results, enabling more content to be indexed and presented to users.

Google Dance

The term “Google Dance” refers to the fluctuations in a new website’s ranking on Google’s search results while the search engine assesses and determines its appropriate position.

Google Hummingbird

Google Hummingbird is a significant algorithm update released in 2013. It aims to understand the meaning and context behind complex search queries, focusing on user intent rather than just individual keywords.

Google Knowledge Graph

The Google Knowledge Graph is a knowledge base that consolidates information about entities, their attributes, and their relationships. It enhances search results by providing direct answers and contextual information.

Google Knowledge Panel

The Google Knowledge Panel is a SERP feature that displays information about the primary subject of a search query, offering a snapshot of relevant details and entities.

Google Panda

Google Panda is an algorithm update initially released to filter out websites with low-quality or thin content. It is now integrated into Google’s core algorithm, reinforcing the importance of high-quality content.

Google Penalty

A Google penalty is a punitive action taken by Google against a website that violates its webmaster quality guidelines. Websites may receive a penalty in the form of reduced rankings or removal from search results.

Google Penguin

Google Penguin is an algorithm update launched in 2012 to combat manipulative link schemes and keyword stuffing. It aims to demote websites engaging in black hat SEO practices.

Google Pigeon

Google Pigeon is an algorithm update from 2013 that aimed to improve local search results and provide more relevant local business listings.

Google Sandbox

The Google Sandbox is a hypothetical filter or restriction that some believe affects new websites, temporarily delaying their ability to rank prominently in Google’s search results.

Google Search Console

Google Search Console, previously known as Google Webmaster Tools, is a free service that enables website owners to monitor and optimize their website’s performance in Google’s search results.

Google Top Heavy Update

The Google Top Heavy Update, introduced in 2012, aimed to downgrade web pages with excessive advertisements placed at the top of the page, detracting from the user experience.

Google Webmaster Guidelines

Google Webmaster Guidelines provide best practices and recommendations from Google to help website owners improve their site’s visibility and compliance with search engine requirements.

Grey Hat SEO

Grey hat SEO refers to the use of SEO strategies and tactics that lie between the ethical practices of white hat SEO and the forbidden practices of black hat SEO.

Guest Blogging

Guest blogging involves writing and publishing blog posts on external websites to expand reach, build authority, and acquire backlinks.


A guestographic is an infographic created by one entity and published on other websites to enhance visibility, generate traffic, and earn backlinks.



H1 Tag

The H1 tag is an HTML heading tag most commonly used to mark the primary title or heading of a web page.

Header Tags

Header tags are HTML tags used to differentiate headings and subheadings from the rest of the content on a webpage, ranging from H1 to H6 in descending order of importance.

Hilltop Algorithm

The Hilltop Algorithm was adopted by Google in 2003 to identify authoritative web pages and rank them more favorably.

Holistic SEO

Holistic SEO involves improving all aspects of a website, including content, technical elements, and backlinks, to enhance its search engine ranking and overall online presence.


Hreflang is an HTML attribute used to inform search engines about alternate versions of web pages intended for different languages and regions.

HTTP 200 Response Code

The HTTP 200 (OK) response code is an indication that a server has successfully processed a client’s request and returned the requested information.


HTTPS (HyperText Transfer Protocol Secure) is an encrypted version of HTTP designed to secure communications between web browsers and servers, protecting against potential interception and tampering by malicious entities.



Inbound Link

An inbound link, also known as a backlink, is a hyperlink on an external website that points to a specific web page on another website.


Indexability refers to a search engine’s ability to analyze and store a web page in its database, making it eligible to appear in search results.

Informational Query

An informational query is a type of search query where a user seeks to find information rather than a product or service.

Internal Link

An internal link is a hyperlink that connects one page of a website to another page on the same website.

Interstitial Ad

An interstitial ad is a full-screen, interactive advertisement that covers the interface of a website or app, appearing before the desired content.



JavaScript SEO

JavaScript SEO involves technical SEO strategies aimed at making JavaScript-heavy websites more search-engine-friendly, ensuring proper indexing and crawling of JavaScript-generated content.



Keyword Cannibalization

Keyword cannibalization occurs when multiple pages on a website unintentionally target the same keyword, leading to competition and potential ranking issues.

Keyword Clustering

Keyword clustering is an SEO practice that involves grouping similar and relevant keywords into clusters or groups to improve content organization and rankings.

Keyword Density

Keyword density is a metric that measures how frequently a keyword appears in a piece of content in relation to the overall word count.

Keyword Difficulty

Keyword difficulty is a metric provided by various SEO tools to estimate the level of competition for a particular keyword in search engine rankings.

Keyword Ranking

Keyword ranking refers to a website’s organic ranking position in search engine results for a specific keyword.

Keyword Stemming

Keyword stemming involves reducing a word to its root form to account for different variations of the same word, thereby improving search relevance.

Keyword Stuffing

Keyword stuffing is a black hat SEO practice involving the excessive and unnatural repetition of keywords in content to manipulate search engine rankings.


Keywords are words and phrases associated with a web page, which users frequently use to search for relevant content.



Link Bait

Link bait is high-quality content specifically designed to attract backlinks naturally.

Link Building

Link building is the process of acquiring backlinks from other websites to improve a website’s authority, visibility, and search engine rankings.

Link Equity

Link equity, also known as link juice, refers to the authority or value passed from one page to another through internal or external links.

Link Exchange

A link exchange is an agreement between two websites to link to each other, typically for mutual promotion or SEO purposes.

Link Farm

A link farm is a network of websites created with the primary goal of linking to each other, often artificially inflating backlink profiles and manipulating search engine rankings.

Link Popularity

Link popularity measures the number of backlinks pointing to a website, indicating its authority and popularity on the web.

Link Profile

A link profile is an assessment of a website’s backlinks, considering factors like quantity, quality, diversity, and relevance.

Link Reclamation

Link reclamation involves identifying and reclaiming lost or broken backlinks to a website to improve its link profile.

Link Rot

Link rot refers to the natural degradation of web links over time, leading to broken or non-functional links.

Link Scheme

A link scheme involves the use of manipulative strategies to influence search engine rankings through excessive and unnatural link building.

Link Spam

Link spam refers to irrelevant or low-quality links intentionally placed on web pages to improve search engine rankings.

Link Velocity

Link velocity is the rate at which a website’s backlink profile is growing or gaining new links over a specific period.

Local Business Schema

Local Business Schema is a specific type of structured data used by search engines to display rich snippets and information about local businesses in local search results.

Local Citation

A local citation is any mention of a local business’s name, address, and phone number (NAP) on the internet.

Local Pack

The Local Pack is a SERP feature that displays local business listings in response to location-specific search queries.

Local Search Marketing

Local search marketing involves optimizing a local business’s online presence to improve its visibility and performance in local search results.

Local SEO

Local SEO focuses on optimizing a website’s online presence to rank higher in local search results, particularly for location-specific queries.

Log File Analysis

Log file analysis involves analyzing the server logs of a website to understand search engine crawlers’ behavior and identify SEO opportunities.

Long-Tail Keyword

A long-tail keyword is a specific, low-volume search query that typically consists of several words, indicating more focused user intent.

LSI Keywords

LSI (Latent Semantic Indexing) keywords are related terms and phrases that help search engines understand the context and relevance of a web page’s content.



Manual Action

A manual action refers to a demotion or removal of a website’s pages from search engine results as a consequence of violating search engine guidelines.

Meta Description

The meta description is an HTML attribute that provides a concise summary of a web page’s content. It appears in search results below the title and URL.

Meta Keywords

Meta keywords are meta tags containing keywords or phrases relevant to a web page’s content. However, most search engines, including Google, no longer use them for ranking purposes.

Meta Redirect

Meta redirect is an HTML code instructing a web browser to redirect a user to a different URL after a set period.

Meta Robots Tag

The meta robots tag is an HTML snippet that provides directives to search engine crawlers on how to crawl and index a web page.

Meta Tags

Meta tags are snippets of code in a web page’s HTML that provide information about the page’s content to search engines.

Mirror Site

A mirror site is an exact copy of a website hosted on a different server.

Mobile-First Indexing

Mobile-first indexing is a Google initiative where the mobile version of a website is prioritized for indexing and ranking in search results.



Natural Link

A natural link is a type of backlink that is earned organically without direct solicitation or payment.

Navigational Query

A navigational query is a search query where the user is looking for a specific website or webpage.

Negative SEO

Negative SEO involves the malicious use of black hat SEO techniques by competitors to harm a rival website’s search engine rankings.


Nofollow is an HTML tag used to instruct search engines not to follow or credit a particular link for ranking purposes.

Noindex Tag

The noindex tag is an HTML meta tag used to instruct search engines not to index a specific web page.



Off-Page SEO

Off-page SEO involves optimizing factors outside of a website, such as backlinks, social signals, and online mentions, to improve its search engine rankings.

On-Page SEO

On-page SEO involves optimizing elements on a web page, such as content, meta tags, and headers, to improve its search engine rankings.

Organic Search

Organic search refers to the natural, non-paid search results generated by search engines in response to user queries.

Orphan Page

An orphan page is a web page that has no internal links pointing to it, making it challenging for search engines to discover and index.

Outbound Link

An outbound link is a hyperlink that directs users from one webpage to another external webpage.



Panda Update

The Panda Update was a significant algorithm change by Google in 2011 aimed at reducing the visibility of low-quality content and content farms in search results.

Penguin Update

The Penguin Update was a Google algorithm update launched in 2012 to penalize websites engaging in manipulative link-building practices.

People Also Ask (PAA)

People Also Ask (PAA) is a SERP feature that presents a list of questions related to a user’s search query.


Personalization in search refers to the customization of search results based on a user’s previous search behavior, location, and other factors.

Phantom Update

Phantom Update refers to unconfirmed and unannounced Google algorithm changes that affect search engine rankings.

Pirate Update

The Pirate Update targeted websites with a history of copyright infringement and aimed to downgrade their search rankings.

PPC (Pay-Per-Click) Advertising

PPC advertising is a form of online advertising where advertisers pay a fee each time their ad is clicked.



Query Deserves Freshness (QDF)

Query Deserves Freshness (QDF) is a search engine algorithm component that prioritizes fresh and recent content for certain search queries.

Query Refinement

Query refinement occurs when a user modifies or adds more terms to their original search query to find more relevant results.



RankBrain is a machine learning-based component of Google’s search algorithm that helps interpret and understand complex search queries.

Reciprocal Link

A reciprocal link is a mutual link exchange between two websites.


A redirect is a server-side instruction that sends users and search engines from one URL to another.


Rel=canonical is an HTML attribute used to indicate the preferred URL for a set of duplicate or similar web pages.


Rel=nofollow is an HTML attribute used to indicate that a hyperlink should not pass link equity to the linked page.

Rich Snippet

A rich snippet is a search result that displays additional information, such as reviews, ratings, or event details, drawn from structured data on a webpage.


The robots.txt file is a text file placed in a website’s root directory to provide instructions to search engine crawlers about which pages to crawl and index.



Schema Markup

Schema markup is a type of structured data markup that helps search engines understand the content and context of web pages.

Search Algorithm

A search algorithm is a set of rules and calculations used by search engines to determine the relevance and ranking of web pages in response to user queries.

Search Engine

A search engine is a software system that enables users to search and retrieve information from the internet based on their queries.

Search Engine Marketing (SEM)

Search Engine Marketing (SEM) refers to online advertising that aims to increase a website’s visibility in search engine results pages.

Search Engine Results Page (SERP)

The Search Engine Results Page (SERP) is the page displayed by a search engine in response to a user’s query, listing relevant search results.

Search Engine Submission

Search engine submission involves manually submitting a website’s URL to search engines to ensure its indexation.

Search Intent

Search intent, also known as user intent, refers to the underlying motivation or purpose behind a user’s search query.

Search Operators

Search operators are special symbols and commands used in search queries to refine and specify search results.

Search Volume

Search volume is the number of searches conducted by users for a particular keyword or phrase over a given period.

Searcher Task Accomplishment (STA)

Searcher Task Accomplishment (STA) is a concept used by Google to evaluate whether a search query effectively addresses a user’s search intent.

SEM Rush

SEMRush is a popular SEO tool used for competitive analysis, keyword research, and site auditing.

SEO Audit

An SEO audit is a comprehensive evaluation of a website’s SEO performance, identifying areas for improvement.

SEO Content

SEO content is content created and optimized with the goal of improving search engine rankings and driving organic traffic.

SEO Copywriting

SEO copywriting involves creating compelling and search-engine-friendly content that appeals to both users and search engines.

SEO Keywords

SEO keywords are words and phrases used in web content to improve search engine rankings and attract targeted traffic.

SEO Plugin

An SEO plugin is a software add-on for websites, often used on content management systems, to help optimize and improve SEO performance.

SEO Title

The SEO title, also known as the meta title, is an HTML attribute that defines the title of a web page and appears in search engine results.

SEO Visibility

SEO visibility is a metric that assesses a website’s visibility in search engine rankings for specific keywords.

SERP Features

SERP features are elements displayed on search engine results pages, such as featured snippets, knowledge panels, and local packs.

SERP Ranking

SERP ranking refers to a webpage’s position in search engine results pages for a specific keyword.


A sitemap is a file that lists all the pages on a website, aiding search engines in discovering and indexing content.


Sitelinks are additional links that appear below the main search result, providing users with direct access to specific pages on a website.

Skyscraper Technique

The Skyscraper Technique is an SEO strategy involving the creation of highly valuable and superior content to existing pieces to attract backlinks and boost search rankings.

Social Bookmarking

Social bookmarking involves saving and sharing website links on social media and bookmarking platforms, boosting visibility and traffic.

Social Signals

Social signals refer to the engagement metrics (likes, shares, comments) a webpage receives on social media platforms, which may impact search rankings.

Soft 404 Error

A soft 404 error occurs when a server indicates that a page exists (HTTP 200 response code) while displaying content similar to a standard 404 error page.

Spam Score

Spam score is a metric provided by various SEO tools that quantifies the likelihood of a website being penalized by search engines due to spammy backlinks.

SSL Certificate

An SSL certificate is a digital certificate that encrypts data transmitted between a web server and a user’s browser, enabling HTTPS.

Structured Data

Structured data is code markup on web pages that helps search engines understand and display content in rich snippets and other formats.


A subdomain is a division of a primary domain, typically used to organize and separate website content.



Tag Cloud

A tag cloud is a visual representation of tags or keywords used on a website, with font size indicating their frequency or importance.

Thin Content

Thin content refers to low-quality or shallow content with little substantive value for users.

Time to First Byte (TTFB)

Time to First Byte (TTFB) measures the server’s responsiveness in delivering the first byte of data for a web page.

Title Tag

The title tag is an HTML element specifying the title of a web page, displayed in search engine results and on the browser tab.

Top-Level Domain (TLD)

The top-level domain (TLD) is the last segment of a domain name, indicating the domain’s purpose or origin (e.g., .com, .org, .gov).



URL Canonicalization

URL canonicalization is the process of selecting the preferred URL among multiple URLs representing the same content.

User Engagement

User engagement refers to the level of interaction and involvement users have with a website or its content.

User Experience (UX)

User experience (UX) encompasses the overall experience users have while interacting with a website or application.

User-Generated Content (UGC)

User-generated content (UGC) is content created by website users, such as reviews, comments, and social media posts.



Vertical Search

Vertical search refers to specialized search engines that focus on specific topics or industries, such as image search or video search.



Web Crawler

A web crawler, also known as a spider or bot, is a software program that systematically browses the internet to index web pages for search engines.

Web Hosting

Web hosting is a service that provides storage space and access for websites to be accessible on the internet.


A webmaster is a person responsible for managing and maintaining a website, ensuring its functionality and performance.

White Hat SEO

White hat SEO refers to ethical SEO practices that comply with search engine guidelines to improve search rankings.



XML Sitemap

An XML sitemap is a file that lists all the pages of a website, designed to help search engines discover and index content.



Yoast SEO

Yoast SEO is a popular WordPress plugin used for on-page SEO optimization, providing various features and recommendations for improving website rankings.

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