HTML Checking for Large Sites
Rocket Validator automatically checks your pages on the W3C Validator.
Duplicate attribute “X”.
Attributes in HTML elements must be unique. For example, <a id="one" id="two">
is invalid as the attribute id
is repeated.
50,000 Accessibility and HTML checks per month. Fully automated.
Let our automated scanner check your large sites using Axe Core and W3C Validator.