HTML Checking for Large Sites
Rocket Validator automatically checks your pages on the W3C Validator.
HTML issues tagged as acronym.
The old <acronym> element in previous versions is now obsolete, in HTML5 you must use <abbr> instead.
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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.