HTML Checking for Large Sites

Rocket Validator automatically scans your sites for accessibility issues using the W3C Validator, hosted on our own servers and integrated into our web crawler.

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.

Bad value “”og:type”” for attribute “property” on element “meta”: The string “”og:type”” is not an absolute URL.

A <meta> element has an invalid value for the property attribute, probably caused by invalid double quotes. Check out the double quotes, should be ".

The correct markup for this meta tag should be like:

<meta property="og:type" content="website" />

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.