A meta tag is a a bit of text inside the HTML code of a web page that is used to describe the content of the page. “Meta” stands for “metadata” which is the type of data the tags provide — data about the data on a web page.
Meta tags are usually included in the <head>
section of a web page and can only be seen by search engines.

Meta tags can be used to increase the visibility of a website on search engine results pages which makes them important for SEO.