html - What is DOCTYPE? - Stack Overflow
The DOCTYPE tells the consuming user agent (web browsers, web crawlers, validation tools) what type of document the file is. Using it ensures that the consumer correctly parses the HTML as you …
What is the correct way to declare an HTML5 Doctype.
Apr 26, 2013 · What is the correct way to use start tag when creating with HTML5 IE: HTML 4 Strict is like this
What does <!doctype html> do? - Stack Overflow
Nov 5, 2021 · DOCTYPE Declaration is the abbreviation for Document Type Declaration (DTD). The DOCTYPE Declaration (DTD or Document Type Declaration) does a couple of things: When …
Why do I need a doctype? (What does it do) [duplicate]
May 20, 2011 · The doctype declaration is not an HTML tag; it is an instruction to the web browser about what version of the markup language the page is written in. The doctype declaration refers to a …
html - What is the functionality of !DOCTYPE? - Stack Overflow
The doctype is a standard defined by the w3c - when you hear about standards based web development this is what they are talking about. The idea of using the doctype is you create valid HTML that …
What are the different doctypes in html and what do they mean?
Doctype declarations are only used for one thing in todays browsers, that is switching between quirks rendering mode and standards rendering mode for CSS. So basically it is a CSS-thing, not a HTML …
"<!DOCTYPE html>" What does it mean? - Stack Overflow
Feb 19, 2012 · The DOCTYPE Declaration (DTD or Document Type Declaration) does a couple of things: When performing HTML validation testing on a web page it tells the HTML (HyperText …
What happens if I don't put a <!DOCTYPE html> in my code? Will it …
Apr 22, 2014 · The <!DOCTYPE> declaration must be the very first thing in your HTML document, before the tag. The <!DOCTYPE> declaration is not an HTML tag; it is an instruction to the web …
html - Uppercase or lowercase doctype? - Stack Overflow
Jul 22, 2015 · When writing the HTML5 doctype what is the correct method? <!DOCTYPE html> or <!doctype html>
Do I need a !DOCTYPE declaration in a php file with html?
12 Sorry to resurrect the dead, but no one seems to explain why you need a doctype in HTML (yes a PHP script outputting HTML is an HTML file at the end). Declaring a doctype affects the way the …