The Title tag informs the search engines of the content of each page and what it’s about and is used in determining the relevancy of a page for search queries. It is the headline of your search result listing and sits atop of the browser window. The Title acts as the name of the website and as a result should be accurate, descriptive and incorporate the keywords you are optimizing your site for.
The Title tag is still one of the most important on-page ranking factors for your website. The importance of getting your Title tags written correctly cannot be understated as this remains to be a vital component of top ranking web pages.