HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

Bad value X for attribute “type” on element “link”: Expected a token character or “/” but saw “:” instead.

The value used to define the type of a link is not valid. You’re probably using a URL instead of a valid type.

Example of a valid type:

<link rel="icon" type="image/png" href="favicon.png">

Read more:

Related W3C validator issues

When was the last time you validated your whole site?

Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.