Head tag contains metadata(webpage information) about the HTML document(Webpage).
Following tags are used in to provide webpage information:
- To provide Webpage title. Which generally displayed on the Browsers titlebar
- <link> : To add external stylesheet/css, favicon to the webpage.
- <script>: To add external javascript or to write internal javascript.
- <meta> : meta tag has number of attributes to provide a webpage information to Search engines or bots.