Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as video.
controlslist attribute on the
<video> element is experimental, and not yet valid in the current HTML5 standard, so you should use it with caution as it may not be supported by all browsers.
50,000 Accessibility and HTML checks per month. Fully automated.
Let our automated scanner check your large sites using Axe Core and W3C Validator.