What is the use of the <title> tag?

Answer 1

It assign web page/document name you can see it in address bar when open the document

Answer 2

SEO.

Answer 3

It sets the document Title that can be seen on the Browser window or tab when a web page is opened.

The third item in the lesson is <title>

https://www.sololearn.com/learn/HTML/1023/

Answer 4

SEO mentioned above is Search Engine Optimization. Which has to do with the placement of a given webpage in a search using search tools such as Google and Bing as an example.

You can use the Sololearn search feature to get these answers. Many questions have been posted for both <title> and SEO