If you use github pages, you can create, deploy, and host static websites for free. Only cost, if you want your own URL, is for a custom DNS name.

You can use their default Jekyll static rendering engine, and create the content using Markdown. And with github actions, all you need to update the content is create markdown, then push the change to the same repo. After a few minutes, the new content shows up.

https://pages.github.com/

Hugo can also be used, but it takes a few extra steps: https://gohugo.io/hosting-and-deployment/hosting-on-github/

You can also find ‘themes’ to customize the look and feel of the site, specific to the site generation tool.

If you want a lot of extra features, Docusaurus is pretty much as good as it gets, and you can set it up to push out to GH pages: https://docusaurus.io/docs/deployment

Technically correct once you go upstream. What’s the problem?