Validating XHTML5 Documents Online

Q

How To Validate XHTML5 Documents Online?

✍: FYIcenter.com

A

If you have just finished a new XHTML5 document, and you want to make sure that confirms with the XHTML5 specification, you can use the XHTML online validator at https://validator.nu/.

First, you need to change "Parser" field to "XML; load external entities" or "XML; don't load external entities".

Then, you can change the XHTML document input method and perform the validation:

Address - Specify the URL where your XHTML document is located, and click "Validate".
File Upload - Use the "Browse" to locate an XHTML document on your local hard disk, and click "Validate".
Text Field - Copy & paste the content of an XHTML document to the input area, and click "Validate".

The validator will return a page with validation result.

Note that this validator also support HTML5 and other HTML versions.

⇒ Introduction of XHTML 1.0

⇐ Smallest Valid XHTML5 Document

⇑ Introduction of HTML5

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