It sounds like you're asking for a p2p CDN / caching layer. Having it be auto-generated would be tricky, as it's hard to determine if the page you're seeing is

It sounds like you're asking for a p2p CDN / caching layer. Having it be auto-generated would be tricky, as it's hard to determine if the page you're seeing is meant to be public or private (e.g. for your eyes only).