What does this tag mean?

Question

Hello I am new on this site and I would like to start with a banal answer. I begin from less time to do something in html. I would like to know something: what is the function of this tag? (!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> ). Thanks to everyone that will going to answer me!

Possible duplicate of [Actual Use of Doctype](https://stackoverflow.com/questions/5865944/actual-use-of-doctype) — Rob, Jan 17 '18 at 20:06
Possible duplicate of [What is DOCTYPE?](https://stackoverflow.com/questions/414891/what-is-doctype) — GalAbra, Jan 17 '18 at 20:07

score 2 · Answer 1 · answered Jan 17 '18 at 20:06

2

The <!DOCTYPE> declaration must be the very first thing in your HTML document, before the <html> tag. The <!DOCTYPE> declaration is not an HTML tag; it is an instruction to See here

answered Jan 17 '18 at 20:06

Staxaaaa

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Thank you for your answer @Stas Kovalenko – Crash Jan 20 '18 at 17:01

What does this tag mean?

1 Answers1