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Revision as of 09:22, 10 March 2011 by Annevk (talk | contribs) (add link to DNS prefetching implications; use multipage version of spec)
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This page lists the allowed extension values for the http-equiv="" attribute of the <meta> element in HTML5. For the detailed registration requirements, see the specification.

Keyword Brief description Specification
PICS-Label Labels that help content advisory software protect children from potentially harmful material [more] PICS Label Distribution Label Syntax and Communication Protocols
x-dns-prefetch-control Allows turning prefetching "on" or "off". There's an equivalent HTTP header. Which takes precedence is undefined. Needed for [1] Controlling DNS prefetching