About the Index.html

Almost every website you encounter has a master file called the index. There can be multiple index files on a site, but at least one index is the homepage of the site.

You are going to create a lot of files labeled index.html. When a URL is passed to a browser that does not specify a file, the browser automatically requests index.html from the host server.

Essentially, this means something like http://baseurl.com and http://baseurl.com/index.html are the same. (This is not true for all websites, but for many.)