You may have run across the W3C in your web development and SEO travels. The W3C is the World Wide Web Consortium, and it was founded by the creator of the World Wide Web, Tim Berners-Lee. This web ...
The free 3 W3C MarkUp Validation Service and 4 W3C CSS Validation Service ensure that your pages meet the exact specifications established by the W3C. The MarkUp Validation Service checks for ...
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