RDFa is an HTML specification to embed rich semantic data labels within web pages, supporting machine readability.

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Are Web Description Protocols useful for SEO

I feel new to SEO world, but for now everything I have found are like 20+ html meta tags where only 3 or 4 are in common use, the point is that after some digging I am on the crossroad between taking ...
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Google breadcrumbs not working correctly

I'm having some trouble using structured data and implementing breadcrumbs. Here is my code: <ol class="nav" vocab="http://schema.org/" typeof="BreadcrumbList"> <li ...