[2019.06.23 study notes 4]
1. Define the document title displayed in the title bar of the browser window.
2. <head> tag must only.
Content 3. <title> in favor of search engines to the site.
<!DOCTYPE html>
<html lang="en">
<head>
<Title> Title </ title> <-! Title tag, its content is displayed at the top of the browser ->
</head>
<body>
</body>
</html>