PWAs can do both of these. In fact, the definition of a PWA includes that it has some functionality offline. (Though this criteria can be met by serving a simple “sorry, you’re offline right now” page. So long as it isn’t the browser’s default “no connection” error.)
PWAs can do both of these. In fact, the definition of a PWA includes that it has some functionality offline. (Though this criteria can be met by serving a simple “sorry, you’re offline right now” page. So long as it isn’t the browser’s default “no connection” error.)