HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as double quotes.
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" />
When was the last time you validated your whole site?
Keep your sites healthy checking for A11Y/HTML issues on an automated schedule.