Question

What would the file name extension for a web page be?

Answer 1

I wouldn't say there is only one answer but html is probably the most common

Answer 2

The Common File Types

The most common files on web servers are:

web pages
images
scripts
programs
Web Pages

There are two extensions that are standard for web pages:

.html
.htm
There is no difference between these two extensions, you can use either on most web servers.

.html>
.html was the original extension for HTML pages on Unix web hosting machines.