The HTML title tag is a HTML element that defines the title of a web page. HTML document titles are used in a number of ways, including by the search engines such as Google.
Title tags are significant for SEO because:
Title tags are different than, and should not be confused with the H1 tag which also sometimes is referred to as the title of a page.
Unlike a H1 tag, you won’t find the title tag appearing anywhere on the web page. Like HTML meta tags, the title tag is part of a collection of tags that convey information about the page rather than containing the text that is visible is on the web page.