HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

Bad value for attribute “srcset” on element “source”: No width specified for image X. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

The sizes attribute is used to complement the srcset attribute on an <img> tag for responsive images. When this attribute is present, all image candidates must specify its width.

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When was the last time you validated your whole site?

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