Tutorial

How To Set Doctype in HTML5

Introduction

The <!DOCTYPE html> tag is a required preamble for HTML documents. Here’s how you use it.

Prerequisites

Setting doctype in HTML5

To set the doctype in HTML5, add this to the top of your html code:

index.html
<!DOCTYPE html>

Setting the doctype remains important for the support of legacy browsers.

Conclusion

Setting the doctype on your code is important, but it’s only the first step. For a more comprehensive review of the HTML5 markup language, explore our series, How To Build a Website in HTML.

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