HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

Bad value “” for attribute “(width|height)” on element “img”: The empty string is not a valid non-negative integer.

The attributes width and height of <img> elements expect a non-negative integer, so an empty string is not allowed. Either define the correct dimension, or remove this attribute.

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Related W3C validator issues

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