Web Development Glossary

Content Delivery Network. A global network of servers that stores copies of...

An XML file that lists all the important URLs on your website,...

A WordPress function that lets you execute custom code at specific points...

A WordPress theme that inherits all functionality from a parent theme but...

A WordPress mechanism that lets you modify data as it passes through...

A WordPress plugin that provides a drag-and-drop visual interface for building pages...

A package of code that adds or extends functionality in WordPress without...

A set of template files that control the visual appearance and layout...

A digital certificate that encrypts data between a browser and a web...

The process of storing pre-generated versions of web pages or data so...

Cumulative Layout Shift. A Core Web Vital that measures how much page...

The percentage of website visitors who complete a desired action, such as...

An architecture where WordPress manages content via its REST API or GraphQL,...

Largest Contentful Paint. A Core Web Vital that measures how long it...

The relational database system used by WordPress to store all content, settings,...

How fast a web page loads in a browser. Measured by tools...

The server-side programming language that powers WordPress. PHP runs on the web...

Structured data added to a webpage in JSON-LD format that helps search...

Search Engine Optimisation. The practice of improving a website to rank higher...

A hosted ecommerce platform that lets you build and run an online...

An interface that allows applications to communicate over HTTP using standard methods...

A free ecommerce plugin for WordPress that lets you sell products and...

An open-source content management system (CMS) that powers over 43% of all...

A command-line tool for managing WordPress installations via a terminal. Used by...