Glossary
Web development terms, explained plainly
Short, practical definitions for WordPress, Shopify, WooCommerce, SEO and site performance. Each term has its own page you can read or share.
105 terms
A
- AI Citations An AI citation is a link or reference to a website inside an AI-generated answer. Citations depend on how clearly a page... Read definition
- AI Overviews AI Overviews are summaries that Google generates at the top of some search results. They combine information from several web pages and... Read definition
- AI SEO AI SEO is the practice of optimising a website so that both search engines and AI tools can find, understand and reference... Read definition
- Answer Engine Optimization (AEO) Answer engine optimization is the practice of writing and structuring content so search engines and AI tools can use it as a... Read definition
C
- Canonical URL A canonical URL is the preferred address for a page that exists under more than one URL. It tells search engines which... Read definition
- ChatGPT ChatGPT is an AI assistant that writes answers from its training and, in some modes, from live web search. Websites can influence... Read definition
- Click-Through Rate (CTR) Click-through rate is the percentage of people who click a result after seeing it in search. It is calculated as clicks divided... Read definition
- Collection Page A collection page groups related products in an online store, such as all shoes or all skincare. Collection pages often rank for... Read definition
- Crawl Budget Crawl budget is the number of pages a search engine will crawl on your site within a given time. Large sites with... Read definition
- Crawling Crawling is the process where search engine bots visit web pages, read their content and follow links to find more pages. A... Read definition
E
- E-E-A-T E-E-A-T stands for experience, expertise, authoritativeness and trustworthiness. Google uses these ideas to judge content quality, especially for topics that affect health,... Read definition
- Ecommerce Ecommerce is the buying and selling of products or services online. A successful online store needs fast product pages, clear checkout, reliable... Read definition
- Entity SEO Entity SEO helps search engines understand who a business is and what it offers. It relies on consistent names, addresses, services and... Read definition
G
- Generative Engine Optimization (GEO) Generative engine optimization prepares content for AI systems that generate written answers. It combines clear answers, credible sources, consistent business details and... Read definition
- Google Business Profile A Google Business Profile is a free listing that shows a business on Google Maps and in local search results. It includes... Read definition
- Google Search Console Google Search Console is a free tool from Google that shows how a site appears in search. It reports clicks, impressions, queries,... Read definition
- GTmetrix GTmetrix is a website performance tool that tests loading speed and gives a report with recommendations. It is useful alongside PageSpeed Insights,... Read definition
I
- Impressions Impressions are the number of times a page appeared in search results, whether or not anyone clicked. They show visibility, and they... Read definition
- Indexing Indexing is when a search engine stores a page after crawling it, so the page can appear in results. Pages can be... Read definition
- Interaction to Next Paint (INP) Interaction to Next Paint measures how quickly a page responds after a visitor taps, clicks or types. It is one of the... Read definition
- Internal Linking Internal linking connects pages within the same website. Good internal links help visitors move to related content and help search engines understand... Read definition
K
- Keyword Cannibalization Keyword cannibalization happens when several pages on one site target the same search term. The pages compete with each other, and search... Read definition
- Keyword Research Keyword research is the process of finding the search terms your audience uses, measuring their volume and competition, and matching them to... Read definition
L
- Lazy Loading Lazy loading delays the loading of images or other content until a visitor is about to see them. It reduces the initial... Read definition
- LLM SEO LLM SEO means making your website easy for large language models to read, understand and reference. It covers clear content structure, accurate... Read definition
- Local SEO Local SEO is the practice of making a business easy to find in local search results and on maps. It depends on... Read definition
M
- Malware Malware is harmful software that can infect a website, for example through an outdated plugin or a stolen password. Infected sites can... Read definition
- Minification Minification removes unnecessary characters, such as spaces and comments, from CSS and JavaScript files. Smaller files download faster, which can improve page... Read definition
P
- PageRank PageRank is one of the original methods Google used to rank pages, based on the number and quality of links pointing to... Read definition
- People Also Ask People Also Ask is a search feature that shows related questions with short answers. Pages that answer these questions clearly have a... Read definition
- Perplexity Perplexity is an AI answer engine that writes answers with links to the sources it uses. Clear, sourced and crawlable pages are... Read definition
- Pillar Page A pillar page is a long guide that covers a broad topic in depth and links to more specific supporting articles. The... Read definition
- Product Page A product page is the page that describes one item for sale. Good product pages include a clear title, useful description, images,... Read definition
R
- Referral Program A referral program rewards people who introduce new customers to a business. In web services, a referral partner usually earns commission when... Read definition
- Render-Blocking Resources Render-blocking resources are CSS and JavaScript files that stop a browser from showing the page until they are loaded. Reducing, deferring or... Read definition
- Rich Results Rich results are enhanced search listings that show extra details, such as ratings, prices or FAQ answers. Google decides whether to show... Read definition
S
- Search Intent Search intent is the goal behind a search: to learn, compare, buy or contact. Matching the page to the intent is one... Read definition
- SEO Audit An SEO audit is a review of a website's technical health, content, links and structure. It ends with a prioritised list of... Read definition
- Shopify App A Shopify app is a plugin that adds features to a Shopify store, such as reviews, upsells or email tools. Each app... Read definition
- Staging Site A staging site is a private copy of a website used to test changes before they go live. Designs, plugins and migrations... Read definition
T
- Time to First Byte (TTFB) Time to First Byte is the time between a browser request and the first byte of the response from the server. A... Read definition
- Title Tag A title tag is the HTML element that sets the title of a page. It appears in browser tabs and usually in... Read definition
- Topical Authority Topical authority is the depth and trust a website builds on one subject through many connected, accurate pages. Sites with strong topical... Read definition
W
- WebP WebP is an image format developed by Google that produces smaller files than JPEG or PNG at similar quality. Smaller images load... Read definition
- Website Backup A website backup is a copy of your files and database that can be restored if the site breaks, is hacked or... Read definition
- Website Migration A website migration moves a site to a new platform, host or domain. A safe migration includes a full redirect map, content... Read definition
- Website Security Website security covers the steps that protect a site from attacks, such as updates, strong passwords, firewalls, limited login attempts and regular... Read definition
- What Are Backlinks? Complete Guide for 2026 | CrestVox Studio Backlinks are links from other websites that point to your website. They are one of the most important ranking factors in Google... Read definition
- What Are Core Web Vitals? Complete Guide for 2026 | CrestVox Studio Core Web Vitals are a set of real-world performance metrics defined by Google that measure specific aspects of a web page's user... Read definition
- What Are WordPress Development Services? Full Guide | CrestVox Studio WordPress development services cover the full range of professional work involved in building, customising, optimising, and maintaining WordPress websites. These services go... Read definition
- What Is a 301 Redirect? SEO-Safe URL Redirect Guide | CrestVox Studio A 301 redirect is a permanent HTTP status code that tells browsers and search engines that a web page has moved permanently... Read definition
- What Is a Canonical Tag? Duplicate Content SEO Guide | CrestVox Studio A canonical tag (technically called a rel="canonical" link element) is an HTML tag placed in the head section of a web page... Read definition
- What Is a CDN? Content Delivery Network Guide for 2026 | CrestVox Studio Content Delivery Network. A global network of servers that stores copies of your static files and serves them from a location closest... Read definition
- What Is a Domain Name? Complete Guide for 2026 | CrestVox Studio A domain name is the unique address that identifies your website on the internet. It is the human-readable equivalent of an IP... Read definition
- What Is a Focus Keyword? SEO Guide for WordPress in 2026 | CrestVox Studio A focus keyword (also called a target keyword or primary keyword) is the main search term you want a specific web page... Read definition
- What Is a Landing Page? Complete Guide to High-Converting Pages | CrestVox Studio A landing page is a standalone web page designed with a single, focused objective: to get visitors to take one specific action.... Read definition
- What Is a Meta Description? SEO Guide for 2026 | CrestVox Studio A meta description is an HTML element that provides a brief summary of a web page's content. It appears below the page... Read definition
- What Is a Meta Title? How to Write Perfect SEO Titles in 2026 | CrestVox Studio A meta title (also called a title tag or SEO title) is the HTML element that defines the title of a web... Read definition
- What Is a PageSpeed Score? How to Improve It in 2026 | CrestVox Studio A PageSpeed score is a numerical rating from 0 to 100 generated by Google's PageSpeed Insights tool that represents how well a... Read definition
- What Is a Shopify Store? Complete E-Commerce Setup Guide | CrestVox Studio A Shopify store is an e-commerce website built on the Shopify platform, a hosted software-as-a-service (SaaS) solution that handles the technical infrastructure... Read definition
- What Is a Sitemap? Complete SEO Guide for WordPress Websites | CrestVox Studio An XML file that lists all the important URLs on your website, helping search engines like Google discover and index your content... Read definition
- What Is a WooCommerce Store? Complete Setup and Features Guide | CrestVox Studio A WooCommerce store is an e-commerce website built using WooCommerce, the most widely used e-commerce plugin for WordPress. WooCommerce transforms a standard... Read definition
- What Is a WordPress Action Hook? Complete Developer Guide | CrestVox Studio A WordPress function that lets you execute custom code at specific points in the WordPress loading process without modifying core files. Read definition
- What Is a WordPress Child Theme? Why You Need One | CrestVox Studio A WordPress theme that inherits all functionality from a parent theme but lets you override templates and styles without modifying the parent... Read definition
- What Is a WordPress Development Agency? How to Choose the Right One | CrestVox Studio A WordPress development agency is a professional services company that specialises in designing, building, customising, and maintaining WordPress websites. Unlike freelancers, agencies... Read definition
- What Is a WordPress Filter Hook? Developer Guide with Examples | CrestVox Studio A WordPress mechanism that lets you modify data as it passes through WordPress. Use add_filter() to intercept and change values like content... Read definition
- What Is a WordPress Page Builder? Complete Comparison Guide | CrestVox Studio A WordPress plugin that provides a drag-and-drop visual interface for building pages without writing code. Examples include Elementor and Divi. Read definition
- What Is a WordPress Permalink? URL Structure Guide for SEO | CrestVox Studio A permalink (short for permanent link) is the full URL of a specific WordPress post, page, or other content type that is... Read definition
- What Is a WordPress Plugin? Complete Guide to Extending WordPress | CrestVox Studio A package of code that adds or extends functionality in WordPress without modifying core files. Plugins use WordPress hooks to integrate cleanly. Read definition
- What Is a WordPress Shortcode? Complete Developer Guide | CrestVox Studio A WordPress shortcode is a small piece of code enclosed in square brackets, such as [contact-form] or [gallery id="123"], that can be... Read definition
- What Is a WordPress Theme? Complete Selection and Development Guide | CrestVox Studio A set of template files that control the visual appearance and layout of a WordPress website. Themes can be changed without affecting... Read definition
- What Is A/B Testing? The Ultimate Guide for 2026 | CrestVox Studio A/B testing, also called split testing, is the practice of comparing two versions of a web page, email, or element to determine... Read definition
- What Is an API? Plain English Guide for Businesses in 2026 | CrestVox Studio An API (Application Programming Interface) is a set of rules and protocols that allows two software applications to communicate with each other.... Read definition
- What Is an SSL Certificate? Why Every Website Needs HTTPS in 2026 | CrestVox Studio A digital certificate that encrypts data between a browser and a web server. Required for HTTPS. Websites without SSL are flagged as... Read definition
- What Is an XML Sitemap? Complete Guide for 2026 | CrestVox Studio An XML sitemap is a file that lists all the important pages on your website and provides metadata about each page, such... Read definition
- What Is Bounce Rate? How to Fix It and Improve Engagement | CrestVox Studio Bounce rate is the percentage of website visitors who land on a page and leave without taking any further action, such as... Read definition
- What Is Caching? Complete WordPress Speed Guide for 2026 | CrestVox Studio The process of storing pre-generated versions of web pages or data so future requests are served faster without repeating expensive processing. Read definition
- What Is CLS (Cumulative Layout Shift)? Core Web Vitals Guide | CrestVox Studio Cumulative Layout Shift. A Core Web Vital that measures how much page elements move unexpectedly during loading. Target: under 0.1. Read definition
- What Is Conversion Rate Optimisation (CRO)? Guide for 2026 | CrestVox Studio Conversion rate optimisation (CRO) is the process of increasing the percentage of website visitors who complete a desired action, such as making... Read definition
- What Is Conversion Rate? How to Calculate and Improve It | CrestVox Studio The percentage of website visitors who complete a desired action, such as making a purchase, filling a form, or signing up. A... Read definition
- What Is Elementor? Complete Guide to the WordPress Page Builder | CrestVox Studio Elementor is a drag-and-drop page builder plugin for WordPress that allows users to design and build web pages visually without writing code.... Read definition
- What Is Gutenberg? WordPress Block Editor Explained for 2026 | CrestVox Studio Gutenberg is the default block editor in WordPress, introduced in version 5.0 in 2018. It replaced the classic TinyMCE editor with a... Read definition
- What Is Headless WordPress? The Complete Decoupled CMS Guide | CrestVox Studio An architecture where WordPress manages content via its REST API or GraphQL, while a separate frontend (React, Next.js) handles the display layer. Read definition
- What Is Hreflang? International SEO Guide for Multilingual Sites | CrestVox Studio Hreflang is an HTML attribute used to tell search engines which language and regional version of a web page to serve to... Read definition
- What Is LCP (Largest Contentful Paint)? Core Web Vitals Guide | CrestVox Studio Largest Contentful Paint. A Core Web Vital that measures how long it takes for the largest visible content element to load. Target:... Read definition
- What Is MySQL? Database Guide for WordPress Developers | CrestVox Studio The relational database system used by WordPress to store all content, settings, users, and metadata. WordPress also supports MariaDB. Read definition
- What Is Open Graph? Social Media SEO Guide for 2026 | CrestVox Studio Open Graph is a protocol developed by Facebook that allows any web page to become a rich object in social media feeds.... Read definition
- What Is Page Speed? How to Improve Website Loading Time in 2026 | CrestVox Studio How fast a web page loads in a browser. Measured by tools like Google PageSpeed Insights. Affects both user experience and Google... Read definition
- What Is PHP? WordPress Developer's Guide to PHP in 2026 | CrestVox Studio The server-side programming language that powers WordPress. PHP runs on the web server and generates the HTML that browsers display. Read definition
- What Is Responsive Design? Mobile-Friendly Website Guide for 2026 | CrestVox Studio Responsive design is a web design and development approach that ensures a website adapts its layout, content, and functionality to display correctly... Read definition
- What Is Robots.txt? Complete Guide for WordPress in 2026 | CrestVox Studio A robots.txt file is a plain text file placed at the root of your website that tells search engine crawlers which pages... Read definition
- What Is Schema Markup? Structured Data SEO Guide for 2026 | CrestVox Studio Structured data added to a webpage in JSON-LD format that helps search engines understand your content and display rich results in Google... Read definition
- What Is SEO? The Complete Guide to Search Engine Optimisation in 2026 | CrestVox Studio Search Engine Optimisation. The practice of improving a website to rank higher in Google and other search engines for relevant keyword searches. Read definition
- What Is Shopify? Complete Platform Guide for E-Commerce Businesses | CrestVox Studio A hosted ecommerce platform that lets you build and run an online store without managing server infrastructure. Known for ease of use... Read definition
- What Is the WordPress REST API? Complete Guide for Developers | CrestVox Studio An interface that allows applications to communicate over HTTP using standard methods like GET, POST, PUT, and DELETE. WordPress has a built-in... Read definition
- What Is Web Hosting? Complete Guide for Businesses in 2026 | CrestVox Studio Web hosting is a service that provides the server infrastructure needed to store your website's files and make them accessible on the... Read definition
- What Is WooCommerce? Complete E-Commerce Plugin Guide for 2026 | CrestVox Studio A free ecommerce plugin for WordPress that lets you sell products and services directly from your website. It powers over 25% of... Read definition
- What Is WordPress? The Complete Guide for 2026 | CrestVox Studio An open-source content management system (CMS) that powers over 43% of all websites. It uses PHP and MySQL and is known for... Read definition
- What Is WP-CLI? WordPress Command Line Guide for Developers | CrestVox Studio A command-line tool for managing WordPress installations via a terminal. Used by developers for bulk operations, database management, and deployments. Read definition
- White Label White label means a service that is delivered by one company but sold under another company's brand. Agencies use white label partners... Read definition
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