SEO & Web Design Glossary

A method of comparing two versions of a webpage or app against each other to determine which one performs better. Also known as split testing.

Content on a webpage that is visible without scrolling. This area is crucial for capturing user attention and driving conversions.

A complex set of rules used by search engines to determine the ranking of websites in search results. Google's algorithm considers hundreds of factors.

A link from one website to another. Backlinks are crucial for SEO as search engines view them as votes of confidence in your content.

The percentage of visitors who leave a website after viewing only one page. A high bounce rate may indicate poor content relevance or user experience issues.

A prompt on a website that encourages users to take a specific action, such as 'Buy Now', 'Sign Up', or 'Learn More'. Effective CTAs are crucial for conversions.

An HTML element that helps prevent duplicate content issues by telling search engines which version of a URL is the 'master' version.

A Core Web Vitals metric that measures visual stability. It quantifies how much the page's content shifts unexpectedly during loading.

The completion of a desired action on a website, such as making a purchase, signing up for a newsletter, or filling out a contact form.

The percentage of visitors who complete a desired action. Calculated as (conversions / total visitors) × 100.

A set of metrics introduced by Google to measure user experience. Includes LCP (Largest Contentful Paint), FID (First Input Delay), and CLS (Cumulative Layout Shift).

The process by which search engine bots (spiders) discover and scan pages on the internet to add to their index.

Cascading Style Sheets - a styling language used to describe the presentation of a document written in HTML.

A search engine ranking score developed by Moz that predicts how likely a website is to rank on search engine result pages (SERPs).

Experience, Expertise, Authoritativeness, and Trustworthiness. Google's quality guidelines that assess content creators and content quality.

A technology that detects when a user is about to leave a website (typically by moving their mouse toward the close button or address bar) and displays a targeted popup.

A small icon (16x16 or 32x32 pixels) that appears in browser tabs and bookmarks. Helps with brand recognition and professionalism.

A Core Web Vitals metric measuring the time from when a user first interacts with a page to when the browser can begin processing that interaction. Now replaced by INP.

The journey a user takes through your website toward a conversion. Typically visualized as a funnel with wide top (awareness) and narrow bottom (conversion).

General Data Protection Regulation - a comprehensive data privacy law in the European Union that governs how businesses collect and handle personal data.

The top section of a webpage, typically containing the main headline, value proposition, and primary call to action. First impressions matter here.

HyperText Markup Language - the standard markup language for creating web pages and web applications.

HyperText Transfer Protocol Secure - an encrypted version of HTTP that protects user data and is now a ranking factor for Google.

The process by which search engines store and organize content discovered during crawling, making it available for search queries.

A Core Web Vitals metric that measures responsiveness. It records the latency of all interactions and reports the worst score. Replaced FID in 2024.

A programming language that enables interactive web pages and dynamic content. Essential for modern web applications but can impact performance.

JavaScript Object Notation for Linked Data - a method of encoding structured data using JSON. Used for schema markup and structured data.

The percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page.

A standalone page designed specifically for a marketing or advertising campaign, focused on converting visitors into leads or customers.

A Core Web Vitals metric measuring loading performance. It marks the time when the largest content element becomes visible.

The process of attracting and converting strangers into people who have indicated interest in your product or service.

An HTML attribute that provides a brief summary of a web page. Appears in search results below the title tag.

An approach to web design where the mobile version is designed first, then expanded for larger screens. Essential since Google's mobile-first indexing.

A protocol that allows websites to control how they're displayed when shared on social media platforms like Facebook and LinkedIn.

Search results that appear naturally (not paid) based on their relevance to the search query. Opposite of paid search advertising.

The amount of time it takes for a web page to load. A critical factor for both user experience and SEO rankings.

The method of dividing content across multiple pages. Important for user experience and SEO when dealing with large amounts of content.

A model of internet marketing where advertisers pay a fee each time their ad is clicked. Common platforms include Google Ads and Facebook Ads.

A way to send both users and search engines from one URL to another. Common types include 301 (permanent) and 302 (temporary) redirects.

An approach to web design that makes pages render well on all devices and screen sizes by using flexible layouts and media queries.

A form of microdata that helps search engines understand the meaning behind your content. Can enhance search results with rich snippets.

A popular SEO tool that crawls websites and provides detailed reports on technical SEO issues, redirects, and more.

Search Engine Results Page - the page users see after entering a search query. Includes organic results, ads, and featured snippets.

A file that lists all the pages on your website, helping search engines discover and index your content. Can be XML or HTML.

Secure Sockets Layer/Transport Layer Security - encryption protocols that secure data transfer between a website and its visitors.

The process of optimizing a website for crawling and indexing. Includes site speed, mobile optimization, schema markup, and more.

An HTML element that specifies the title of a web page. Appears in search results and browser tabs. Critical for both SEO and user experience.

The visitors who come to your website. Can be measured by total visits, unique visitors, page views, and other metrics.

Elements on a website that increase visitor confidence, such as testimonials, security badges, client logos, and reviews.

The format and organization of URLs on your website. Should be clean, descriptive, and include relevant keywords.

The overall experience of a user when interacting with a website. Includes ease of use, navigation, and satisfaction.

The visible area of a webpage. Mobile devices have smaller viewports, making responsive design essential.

See Core Web Vitals - Google's initiative to provide unified guidance for quality signals essential to delivering a great user experience.

Ethical SEO techniques that follow search engine guidelines and focus on providing value to users. Opposite of Black Hat SEO.

A structured list of all pages on a website, formatted for search engines. Helps crawlers discover and index content efficiently.