Difference between extensions

Question

What is the difference between .html and .htm?Does it affect the webpage in any possible way?

Answer 1

Here is an web page which has some good information
https://whatis.techtarget.com/fileformat/HTM-A-Web-page

Have these 🍎 🍎 🍎

Answer 2

.html and .htm are both extensions for HTML and makes no difference.

.htm is just used in some operating systems and servers where four-letter extensions are unsupported 😎