SEO Glossary: 300+ SEO Terms Explained
- Jerin John
- No Comments
- Search Engine Optimization
New to the field of SEO or digital marketing? Does the terms like 301 redirect, 200 status code, crawl depth, AJAX make your head spin? Refer to this blog on SEO glossary, where you will get all information about SEO in a crisp and concise manner. I have included more than 300+ SEO terms, which makes this blog the largest SEO dictionary.
So let’s get started.
What are SEO Terms?
SEO terms are the common words or phrases used in the field of Search Engine Optimization. These terms can be better utilized by anyone who wants to gain knowledge about SEO or entrepreneurs, who wish to gain knowledge of how SEO can be better utilized to boost their marketing effort.
Download SEO Glossary for Free to Read Offline
Here is a list of whole search engine optimization terms. If you want to read them offline, download our seo terminology pdf for free from us.
How to Use this SEO Glossary?
The SEO terms used in this blog are the ones which have come to use throughout my journey so far. I have listed them in an alphabetical order. You can either click on the alphabets mentioned down to go to the specific term you are searching for. Or else you can scroll down and find the term. Both ways, you can find answers to the search query you have. Good luck!
SEO Terms You Should Know
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.htaccess
.htaccess is a configuration file that is used to give redirection and protect the files in a website with passwords.
200 status code
It is a status code explaining that the page or image is successfully found and loaded.
301 redirect
301 redirect is an HTTP status code indicating the permanent redirection of a url to another one.
302 redirect
302 redirect is a HTTP status code hunting a temporary redirection of a url to another one.
307 Temporary Redirect
It is an HTTP status code indicating a temporary redirect explaining that the resource url has been temporarily relocated to another one given by the location headers. 302 and 307 redirects are different as 307 is a valid temporary redirect and 302 is little vague one.
404 status code
It is “Not Found” server code explaining that the server couldn’t find the requested page or resource through the url given.
500 Internal Server Error
500 internal server error is an HTTP status code indicating that the server got a invalid response while processing the request.
502 Bad Gateway
502 Bad Gateway is shown when the server has encountered an issue that it doesn’t know how to handle.
A
A/B testing
A/B testing, also known as split testing, is the testing of 2 different versions of the same website or advertisement or any campaign to determine which performs better.
Above The Fold
The visible part of a webpage that appears without scrolling. Important content should be placed here to grab attention
A/B Absolute Link
A full URL that includes the domain name and protocol (e.g. https://example.com/page). Unlike relative links, it works independently of the current page.
Accelerated Mobile Pages (AMP)
A Google-backed project that creates fast-loading mobile-friendly pages by using a simplified HTML version
AdSense
Google’s advertising program that allows website owners to earn money by displaying ads on their sites.
AdWords (Now Google Ads)
Google’s advertising platform where businesses bid on keywords to display ads in search results and partner websites.
Affiliate Marketing
A marketing strategy where businesses pay individuals or other businesses (affiliates) a commission for driving traffic or sales through referral links.
Ahrefs
Ahrefs is a popular SEO tool used for backlink analysis, keyword research, and competitor insights.
Asynchronous JavaScript and XML (AJAX)
A technique that allows webpages to update content without reloading the entire page, improving user experience.
Algorithm
A set of rules used by search engines to rank webpages based on relevance, quality, and user experience.
Alt Attribute
A description added to images in HTML (alt text). It helps with accessibility and SEO by providing context to search engines.
Analytics
Data and reports that track website performance, user behavior, and marketing efforts. Google Analytics is a popular tool for this.
Anchor Text
The clickable text in a hyperlink. SEO-friendly anchor text should be descriptive and relevant to the linked page.
Application Program Interface (API)
A set of rules that allows software applications to communicate and exchange data with each other.
Article Spinning
The practice of rewriting existing content to create multiple versions, often used in black hat SEO but discouraged due to low-quality content.
Article Syndication
Reposting content on multiple websites to reach a wider audience. Proper syndication should use canonical tags to avoid duplicate content issues.
Artificial Intelligence (AI)
Technology that enables machines to perform tasks that typically require human intelligence, such as language processing and search ranking improvements.
Authority
A measure of a website’s trustworthiness and influence, often determined by high-quality backlinks and valuable content.
You may also like: How Thought Leaders Build Authority
Auto-Generated Content
Content created automatically by software rather than written by humans. Google discourages low-quality auto-generated content.
Average Position
The average ranking position of a webpage in search engine results over a specific period.
B
B2B SEO
Search engine optimization strategies tailored for businesses that sell products or services to other businesses (Business-to-Business).
B2C SEO
SEO strategies focused on businesses selling directly to consumers (Business-to-Consumer), often emphasizing user experience and emotional appeal.
Backlink
A link from one website to another. High-quality backlinks help improve search engine rankings.
Backlink Profile
The overall collection of backlinks pointing to a website. A strong backlink profile consists of relevant, high-authority links.
Banners
Visual advertisements displayed on websites to promote products, services, or brands.
Beta
A testing phase of a product, tool, or software before its official release.
Bing Webmaster Tools
Bing Webmaster is free tool by Microsoft that helps website owners monitor and optimize their sites for Bing search results.
Bingbot
Bing’s web crawler that scans and indexes webpages for Bing search results.
Black Hat SEO
Unethical SEO practices that try to manipulate search rankings, such as keyword stuffing, cloaking, and link farming. Google penalizes these techniques.
Blog
A regularly updated section of a website featuring articles, news, or opinions, often used for content marketing and SEO.
Blog Commenting
Engaging with blog posts by leaving comments, sometimes used to build backlinks, but excessive link-dropping is considered spammy.
You may also like this post: Free Blog Commenting Sites List in 2026
Bot (Robot, Spider, Crawler)
A program used by search engines to crawl and index web content.
Bounce Rate
The percentage of visitors who leave a website after viewing only one page. A high bounce rate may indicate poor user experience.
Branded Content
Content created by brands to engage audiences, often in an informative or entertaining way rather than direct promotion.
Branded Keywords
Keywords that include a brand’s name, such as “Nike shoes” or “Apple iPhone.” These are useful for brand awareness and reputation management.
Breadcrumb Navigation
A secondary navigation system that shows users their path within a website, improving user experience and SEO.
Bridge Page
A low-quality page designed only to redirect visitors to another site. Often considered a black hat SEO tactic.
Broken Link
A link that no longer works, either because the page has been deleted or the URL is incorrect. Broken links can harm SEO and user experience.
Buyer Intent Keywords
Keywords that indicate a user is ready to make a purchase, such as “best price,” “buy now,” or “discount.”
C
Cache
A temporary storage system that saves website data to load pages faster on repeat visits.
Call To Action (CTA)
A prompt that encourages users to take a specific action, such as “Sign Up Now” or “Get a Free Trial.”
Canonical Tag
An HTML tag (rel=”canonical”) that tells search engines which version of a page is the preferred one to avoid duplicate content issues
Canonical URL
The official URL of a page that search engines should prioritize when similar content exists.
Carousel
A rotating slideshow of images or content, often used in search results (Google Image Carousels) and website designs.
Cascading Style Sheets (CSS)
A coding language used to design and format the look of a website, including colors, fonts, and layouts.
ccTLD (Country Code Top-Level Domain)
A domain extension that represents a specific country, like .in for India or .uk for the United Kingdom.
Citation
A mention of a business’s name, address, and phone number (NAP) on other websites. Important for local SEO.
Click Bait
Sensationalized headlines or content designed to attract clicks, often misleading or exaggerated.
Click-Through Rate (CTR)
The percentage of users who click on a link after seeing it in search results or an ad.
Cloaking
A black hat SEO technique where different content is shown to search engines than to users. This violates Google’s guidelines.
Competition
Other websites or businesses competing for the same audience, keywords, or market.
Competitor Analysis
Researching competitors’ SEO strategies, keywords, and backlinks to improve your own SEO approach.
Content
Any text, images, videos, or other materials published online to inform, entertain, or engage an audience.
Content Delivery Network (CDN)
A network of servers that store copies of website content in multiple locations to improve loading speed and performance.
Content Gap Analysis
Identifying missing topics or keywords that competitors rank for but your site does not.
Content Management System (CMS)
A platform like WordPress that allows users to create, edit, and manage website content without coding knowledge.
Content Marketing
The practice of creating and sharing valuable content to attract and engage an audience, ultimately driving conversions.
Content Relevance
How closely a piece of content matches a user’s search intent. Higher relevance leads to better rankings.
Conversion
When a user completes a desired action, such as making a purchase, signing up for a newsletter, or filling out a form.
Conversion Rate
The percentage of users who take a desired action (conversions) compared to the total number of visitors.
Conversion Rate Optimization (CRO)
The process of improving a website’s design and content to increase conversions.
Cookie Policy
A legal document informing users about how cookies are used on a website.
Core Web Vitals
A set of metrics that measure website performance, including loading speed, interactivity, and visual stability.
Cost Per Action (CPA)
An online advertising model where advertisers pay only when users complete a specific action, such as signing up or making a purchase.
Cost Per Click (CPC)
The amount an advertiser pays each time someone clicks on their ad.
Cost Per Thousand Impressions (CPM)
The cost of displaying an ad 1,000 times, often used in display advertising.
Crawl
The process of search engines scanning a website to analyze its content for indexing.
Crawlability
How easily search engine bots can access and index a website’s content.
Crawl Budget
The number of pages a search engine will crawl on a site within a given time frame. Optimizing site structure helps maximize crawl budget.
Crawl Depth
How deep into a website search engine bots go while crawling. Important pages should be easily accessible.
Crawl Error
Issues that prevent search engine bots from properly accessing a webpage. Common crawl errors include “server errors” and “not found” pages.
Crawler
A bot that scans and indexes webpages for search engines. Google’s crawler is called Googlebot.
Cross-Linking
Linking between different pages of a website to improve navigation and SEO.
Cumulative Layout Shift (CLS)
A Core Web Vital metric that measures how much a webpage layout shifts unexpectedly while loading. A high CLS negatively impacts user experience.
Customer Journey
The path a user takes from discovering a product or service to making a purchase.
Complete list will be available Soon. Stay tuned!
Conclusion
Hope you enjoyed this blog on SEO glossary.
We will try hard to keep this blog up to date and add all new terms that get added in the vast field of SEO.
Didn’t find the SEO terminology that you are looking for?
Feel free to message us and we will surely look into it and keep our SEO vocabulary up to date.
