HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

CSS: “background-image”: Parse Error.

A CSS definition for background-image could not be understood by the parser. Check its definition to ensure that it’s well formed and that it contains an appropriate value.

Related W3C validator issues

50,000 Accessibility and HTML checks per month. Fully automated.

Let our automated scanner check your large sites using Axe Core and W3C Validator.