Glossary
Searchable terminology from accessibility, web standards, and related fields.
7 results found in browsers.
- Ad Blocker (Adblocker, Content Blocker)
- A browser extension or built-in feature that prevents advertisements, trackers, and other unwanted content from loading on web pages, typically by matching requests against blocklists such as EasyList…
- Background Script (Background Scripts, Background Page)
- Code in a browser extension that runs independently of any specific web page, handling long-lived logic such as responding to browser events, managing storage, or coordinating with remote services. Un…
- Chrome Web Store (CWS)
- Google's official marketplace for Chrome browser extensions, themes, and applications, organised into 18 categories including Accessibility, Privacy & Security, Productivity, and Shopping. Extensions …
- Content Script (Content Scripts)
- Code injected by a browser extension that runs in the context of a specific web page, with direct access to the page's DOM via standard JavaScript APIs. Content scripts let extensions read and modify …
- Manifest V3 (MV3)
- The current version of the Chrome extension manifest format, introduced to improve security, privacy, and performance over Manifest V2 (which is being deprecated). MV3 replaces persistent background p…
- Service Worker (Service Workers)
- A JavaScript worker that runs in the background of a web page or browser extension, independently of any open tab. Service workers handle events such as network requests, push notifications, and backg…
- WebExtensions API (WebExtensions, Web Extensions API)
- A cross-browser standard for building browser extensions, supported by Chrome, Firefox, Edge, Opera, and other major browsers. It defines how extensions declare capabilities in a manifest.json file, i…