alt twitter front-end Nitter looks promising! it's fast and doesn't use JS:
https://github.com/zedeus/nitter
"In addition to respecting your privacy, Nitter is on average around 15 times lighter than Twitter, and in some cases serves pages faster."
"In the future a simple account system will be added that lets you follow Twitter users, allowing you to have a clean chronological timeline without needing a Twitter account."
you can run your own instance. here's a public you can test with:
https://nitter.net/