If you've integrated Progressier into your app and your app has strict Content Security Policy rules, you'll need to update them to allow loading the script/manifest/service worker from the Progressier domain, and icons from our storage bucket:

Important: we may change our image bucket storage location anytime without warning so to keep images from breaking in your app, it's crucial to allow images from any domain with the img-src: * directive (if you have a content security policy -- else you're fine).