HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

The “complementary” role is unnecessary for element “aside”.

Using the <aside> element will automatically communicate a section has a role of complementary, so specifying the role="complementary" is redundant.

Related W3C validator issues

25,000 HTML checks per month. Is that enough for your site?

Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.