The organization provides a free, online html5 validator application to ensure that a webpage's html tags follow the rules for html5 is the W3C.
The W3C's is known to help to create protocols and rules that makes sure that long-term development of the Web.
Therefore, we can say that The organization provides a free, online html5 validator application to ensure that a webpage's html tags follow the rules for html5 is the W3C.
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