keywords in Comment tags

Question

Some of the webmasters say that it is good to put your main keywords in the comment tags. but some experts say that it does not matter as crawlers can not see them.

I want to know, what happens if I put my keywords in the comment tags.

Answer 1

The best way to use comment tags is to help make something in your code clearer to you when you have to go back and look at it or when someone else needs to look at it.

comment tags is not something that's going to help with search engines,