When and how to update the cache - Progressive Web App Training
Channel: Chrome for Developers
Date: 2019-05-06

Resource caching can improve performance, increase network resilience and enable offline experiences. 

That all sounds great — but when should you store resources and how should you update the cache? 

This video shows you how.

Full playlist:
https://www.youtube.com/playlist?list=PLNYkxOF6rcIB2xHBZ7opgc2Mv009X87Hh