Meta tags for SEO

Charset

Specifies the character encoding

Description

One of the most important meta tags for SEO. This tag should summarize the webpage.

You should keep it under 160 characters.

Author

This defines the author of the page.

HandheldFriendly

This tells browsers and web crawlers that your site is mobile friendly.

And many more...

There are a lot of other meta tags like open graph(og), robots etc.

I will post about them later...