// Tutorial //
How To Set Doctype in HTML5
By Alligator.io
Introduction
The <!DOCTYPE html> tag is a required preamble for HTML documents. Here’s how you use it.
Prerequisites
- A general knowledge of HTML5. For a comprehensive review of the HTML5 markup language, explore our series, How To Build a Website in HTML.
Setting doctype in HTML5
To set the doctype in HTML5, add this to the top of your html code:
<!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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