1. Markdown support 2. Fast build (<60s) 3. Search without JS 4. Deploy on GitHub Pages
Budget: $0
It's been super easy and I host it free on CF pages:
[1]https://hugo-book-demo.netlify.app/docs/example/ [2]https://docs.formbeep.com
It generates static pages using only HTML and CSS, which makes it blazing fast. It can also handle jQuery and JavaScript very smoothly.