Service workers
Widely available since 2020-10-30
The service worker of a website is a script that runs in its own thread and which acts as local proxy that intercepts network requests from the website. Use a service worker to implement advanced caching strategies, offline support, background tasks, or push notification support on your website.
Learn more
Specifications
- Service Workers, from Web Applications Working Group (W3C).
Browser support (view on caniuse.com)
- Chrome 45 Released on 2015-09-01
- Chrome Android 45 Released on 2015-09-01
- Edge 17 Released on 2018-04-30
- Firefox 44 Released on 2016-01-26
- Firefox for Android 44 Released on 2016-01-26
- Safari 11.1 Released on 2018-04-12
- Safari on iOS 11.3 Released on 2018-03-29
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