PragmaExtensions
From WHATWG Wiki
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 |
