What is really annoying is that Cloudflare pages will strip the file extension off of your html pages, and perform permanent redirects to those new URLs. Now if you're intending on moving to a new hosting service that doesn't do that (cgi-bin), all Google search results to your site will 404. Github pages and likely others also supports this format, so moving between those two services doesn't exhibit this problem. M…
I preferred to strip away the .html extensions anyway, so it was okay in my case. CF should trigger a HTTP 308 for older .html to the new urls automatically.