This extension detects if a website registers a Service Worker.
Doesn't work as expected
Doesn't work (lazy dumb on icon still sleeping when workers are loads and works) on latest Cent (Chromium 86.0.4240.198)
easy access to service workers
Scott Fujan
addyosmani
https://octolinker.vercel.app
Juho Nurminen
https://steampunck.github.io
Claudio Contin
Sergiu Boboc
https://bugbugnow.net
seebigswork
leocompson
https://validator.ampproject.org
Mike King