A Progressive Web App:
slows experience and therefore decreases advertisers conversion rate
is the same as Accelerated Mobile Page
works even with unreliable network through service worker
needs high bandwidth environments
Progressive Web Apps are user experiences that have the reach of the web, and are:
- Reliable – Load instantly and never show the downasaur, even in uncertain network conditions.
- Fast – Respond quickly to user interactions with silky smooth animations and don’t use poor quality scrolling.
- Engaging – Feel like a natural app on the device, with an immersive user experience.
Read more here: https://support.google.com/partners/answer/733653