HTML Checking for Large Sites
Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as cache-control.
The value cache-control
is no longer a valid pragma directive. A better alternative is defining cache-control as an HTTP header.
Learn more:
Still checking your large sites one page at a time?
Save time using our automated web checker. Let our crawler check your web pages on the W3C Validator.