SEO Glossary
The definitive guide to search engine optimization terminology.
API (Application Programming Interface)
A set of rules that allows different software applications to communicate with each other. Often used in SEO for pulling data from tools like Google Search Console.
Above the Fold
The portion of a webpage that is visible in a browser window when the page first loads, without requiring the user to scroll.
Algorithm
A complex set of rules used by search engines to determine the ranking of web pages in search results.
Alt Text
Alternative text used to describe an image to search engines and visually impaired users. Crucial for image SEO.
Anchor Text
The visible, clickable text in a hyperlink. It provides context to search engines about the linked page.
Authority
A measure of a website's trustworthiness and influence, often determined by the quantity and quality of inbound links.
B2B SEO
Search engine optimization strategies specifically tailored for Business-to-Business companies, often focusing on longer sales cycles and highly specific niche keywords.
B2C SEO
Search engine optimization strategies tailored for Business-to-Consumer companies, often focusing on high search volume and transactional keywords.
Backlink
A link from one website to another. Also known as an inbound link. A primary ranking factor for Google.
Black Hat SEO
Aggressive SEO tactics that focus only on search engines and not a human audience, usually violating search engine guidelines.
Blog Network
A group of blogs owned by the same entity, sometimes used (and penalized if low quality) for cross-linking to artificially boost search rankings.
Bot
An automated software program that performs tasks on the internet, such as crawling websites for indexing by search engines.
Bounce Rate
The percentage of visitors to a particular website who navigate away from the site after viewing only one page.
Brand Mention
When a brand or company is mentioned on a website without a hyperlink. Some search engines may use this as an unlinked signal of authority.
Breadcrumb Navigation
A secondary navigation scheme that reveals the user's location in a website or web application.
CMS (Content Management System)
Software that allows users to create, manage, and modify content on a website without needing specialized technical knowledge (e.g., WordPress, Django).
CSS (Cascading Style Sheets)
A stylesheet language used for describing the presentation of a document written in HTML, controlling layout, colors, and fonts.
Caching
The process of storing copies of files in a cache, or temporary storage location, so that they can be accessed more quickly by users, improving page speed.
Canonical Tag
An HTML element that helps webmasters prevent duplicate content issues by specifying the 'preferred' version of a web page.
Click-Through Rate (CTR)
The ratio of users who click on a specific link to the number of total users who view a page, email, or advertisement.
Clickbait
Web content that is designed to attract attention and encourage visitors to click on a link to a particular web page, often using sensationalized or misleading headlines.
Cloaking
A deceptive technique where the content presented to the search engine spider is different from that presented to the user's browser.
Co-citation
When two websites or web pages are mentioned together by a third webpage. Search engines may use this to establish semantic relationships between the two sites.
Content Delivery Network (CDN)
A geographically distributed network of proxy servers and their data centers, providing high availability and performance.