I'm not sure if you've ever visited https://lobste.rs https://lobste.rs, but it actually has this built-in - it caches every post. It's kind of like Hacker News

I'm not sure if you've ever visited https://lobste.rs https://lobste.rs, but it actually has this built-in - it caches every post. It's kind of like Hacker News except they've made some changes and added a bit more functionality.