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PragmaExtensions

From WHATWG Wiki
Revision as of 01:23, 21 April 2011 by Spexx (talk | contribs)
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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
x-ua-compatible Allows to control the way Microsoft Internet Explorer renders webpages (Document compatibility modes, e.g. content="IE=edge") and to enable Google Chrome's open web technologies (Google Chrome Frame, e.g. content="chrome=1") if previously installed. See also: HTML5 Boilerplate MSDN - Defining Document Compatibility

Google Chrome Frame: Developer Guide