Progressive Web App debugging
Test out the experimental support for Progressive Web Apps (PWAs) in Microsoft Edge and F12 DevTools by selecting the Enable service workers option from
about:flags (and restarting Microsoft Edge).
Service Workers manager
Clicking on a specific service worker entry will open up the Service Worker Overview, where you can force Update and manage the service worker registration (Unregister) for the given scope and send a test Push notification. You can also Stop/Start individual service workers and Inspect them from a separate debugger window:
Please note the following about service worker debugging:
- Debugging a service worker will launch a new instance of the F12 DevTools separate from the page's tools because service workers can be shared across multiple tabs.
- The Elements and Emulation panels are absent from the service worker debugger, given that service workers run in the background and do not directly control the front-end of your app.
- Currently network traffic for a service worker is only reported from the F12 DevTools debugging instance for that worker, and not from the central instance for the page itself.
Clicking on a specific cache entry will open up the Cache manager, where you can inspect and optionally delete cache entries (Request and Response key/value pairs):
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