What is the need of head code in Html?

Answer 1

Basically, take informations about your webpage and link different files in one HTML document, also set the viewport, charset and so on...

In the head there are also some elements useful to SEO, from the most banal <title> tag to some of the metatags still supported by Google.

Answer 2

Front-end, back-end, meaning(behind the scene).

Answer 3

Front-end, back-end, meaning(behind the scene).