Answer
The title tag is described the tag in the HTML of the public page, and the portion surrounded by the title tag represents the "title" of that page... E-shops crayon automatically inserts and describes the content of that, can expect SEO (Search Engine Optimization) like effect for each page based on the registered information in the title tag..
This content is not only used for SEO, but it is also displayed and used in the browser's title bar, bookmarks, favorite headlines, search engine search results, and so on..
