Comment by ghostwords

>idiomatic

>less resources

Are you an extension developer? Here is a list of issues that extension developers have with requiring Service Workers:

https://github.com/w3c/webextensions/labels/topic%3A%20servi...

Just take a look at this work-in-progress MV3 version of a fairly popular webpage-saver extension called SingleFile:

https://github.com/gildas-lormeau/SingleFile-Lite#readme