I've been currently working on PWA and I've run into a problem. Despite having my service worker installed and caching files, my app receives all of the lighthouse PWA marks except one for being installable. I have no idea what's wrong, so I hope someone has some idea. 

You can find my app at

CodePudding user response：

Your image is not resolving properly for an icon. You can see in the console window that it has this challenge. Research on your page that location relative to this page and determine if this is a real actual PNG file or if the path is somehow incorrect.

logIn:1 Error while trying to use the following icon from the Manifest: https://endearing-mooncake-1d9a8d.netlify.app/src/assets/maskable_icon.png (Download error or resource isn't a valid image)