There are times when I either don't have access to the Internet, or my service is very slow.
During those times, the apps on my phone are still useful, albeit, degraded in some respects. I'd still rather have that than nothing.
During those times, the apps on my phone are still useful, albeit, degraded in some respects. I'd still rather have that than nothing.
CDNs (at least Fastly) already support it, but browser support will give web app updates the option of working like native app updates.
Regarding the standard browser caching and "offline mode", it used to work well long time ago for simple static HTML pages (in Firefox and IE), but from my experience it doesn't work well for rich clientside apps (and Chrome doesn't even have "work offline" button)