There's an IETF proposal for certificate-signed web content (Web Packages) which can be rendered offline. The browser address bar will no longer show the URL of the web server (e.g. Google AMP), it will show the authenticated origin of the Web Package.
There's an IETF proposal for certificate-signed web content (Web Packages) which can be rendered offline. The browser address bar will no longer show the URL of the web server (e.g. Google AMP), it will show the authenticated origin of the Web Package.
2017 IETF proposal by Google: https://tools.ietf.org/html/draft-yasskin-webpackage-use-cas...
2018 Chrome demo at AMP event: https://youtube.com/watch?&t=9m03s&v=pr5cIRruBsc
There may be overlap in goals with W3C Web Publications, which is working to converge EPUB and Web: https://w3c.github.io/wpub/