HTML Checking for Large Sites
Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as action.
The action attribute on a <form> element is not a required attribute, but if specified, must be a valid, non-empty URL. For example:
<form action="register.php">
</form>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.