FYI, current mobile browser caches are very weak and unreliable. For instance, iOS clears all cached data just by exiting Safari. Android is also in a similar s

FYI, current mobile browser caches are very weak and unreliable. For instance, iOS clears all cached data just by exiting Safari. Android is also in a similar situation (unpredictable and can't explain). I guess it is caused by the storage limitations. We can't rely on the mobile browser cache, at least for now.