What is the use of meta tags

Answer 1

The <meta> tag provides metadata about the HTML document. Metadata will not be displayed on the page.

Meta elements are typically used to specify page description, keywords, author of the document, last modified, and other metadata.
the metadata can be used by browsers , search engines, or other web services.
web designers can take control over the viewport, through the <meta> tag.
Eg:- <meta name="viewport"content="width=device-width, initial-scale=1.0">

https://www.w3schools.com/tags/tag_meta.asp

Answer 2

https://www.w3schools.com/tags/tag_meta.asp

Answer 3

https://www.sololearn.com/discuss/632608/?ref=app