Everything You Need To Know About HTML5 DocType

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1. The DOCTYPE at dev.w3 A DOCTYPE is a required preamble. Note: DOCTYPEs are required for legacy reasons. When omitted, browsers tend to use a different rendering mode that is incompatible with some specifications. Including the DOCTYPE in a document ensures that the browser makes a best-effort attempt at following the relevant specifications. 2. HTML5 <!DOCTYPE> […]