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Revision as of 12:54, 5 July 2012 by Annevk (talk | contribs) (add prefetching back in too so we at least keep track of what is being used)
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This page lists the allowed extension values for the http-equiv="" attribute of the <meta> element in HTML. 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. Controlling DNS prefetching
X-UA-Compatible Specifies the IE rendering mode that should be used to render the document. Widely used, but not registered with IETF/IANA. MSDN: Defining Document Compatibility