add to home screen not showing up PWA

Question

I\'ve created a Progressive Web App. It\'s simple, just an index.html, a folder \"images\" with favicon etc, a sw.js et a styles.css

My code from manifest.json

Answer 1

Have you checked all of the criteria on the google developer sites?

https://developers.google.com/web/fundamentals/app-install-banners/

Right now I don't see anything in your post that mentions HTTPS - this could be the culprit.