How to upload your html web page in the internet

Answer 1

You need to host a web server. You can either do this on your home machine if your ISP gives you a static IP, or you can pay someone else like Digital Ocean or Linode

Answer 2

you must first register an account on a paid or free hosting. then, take advantage of the possibility of the administrative panel to upload site files to your root folder hosting or upload them using FTP client (for example, File Zilla). to access the site you still need to register a paid or free domain name for the site (site name) on which the site will be found by other people

Answer 3

github.com
glitch.com
heroku.com

and many more