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PragmaExtensions
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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 |