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The Cache-Control: no-cache HTTP/1.1 header field is also intended for use in requests made by the client. It is a means for the browser to tell the server and any intermediate caches that it wants a fresh version of the resource. The Pragma: no-cache header field, defined in the HTTP/1.0 spec, has the same purpose. It, however, is only defined ...
File:Siberian Husky pho.jpg The file (image) name must be exact (including capitalization, punctuation and spacing) and must include .jpg, .png or other extension. (Image: and File: work the same.) If Wikipedia and Wikimedia Commons both have an image with the specified name, the Wikipedia version is the one that will appear in the article.
Multiple HTTP headers are often supplied together for content format or, specifically media type, language and a few other aspects of a resource. In addition to the commonly used Accept header for Media Type, the Accept-Language header for language negotiation, RFC 7231 also describes Accept-Charset & Accept-Encodings for character encodings ...
An image that would otherwise overwhelm the text space available within a 1024×768 window should generally be formatted as described in relevant formatting guidelines (e.g. WP:IMAGESIZE, MOS:IMGSIZE, Help:Pictures § Panoramas). Try to harmonize the sizes of images on a given page in order to maintain visual coherence.
Similar headers are used in Usenet messages, and HTTP headers. In a data packet sent via the Internet, the data (payload) are preceded by header information such as the sender's and the recipient's IP addresses, the protocol governing the format of the payload and several other formats. The header's format is specified in the Internet Protocol.
Legend: File formats: the image or video formats allowed for uploading; IPTC support: support for the IPTC image header . Yes - IPTC headers are read upon upload and exposed via the web interface; properties such as captions and keywords are written back to the IPTC header and saved along with the photo when downloading or e-mailing it
The Extensible Metadata Platform (XMP) is an ISO standard, originally created by Adobe Systems Inc., for the creation, processing and interchange of standardized and custom metadata for digital documents and data sets. XMP standardizes a data model, a serialization format and core properties for the definition and processing of extensible metadata.
As a general rule, it is preferable, particularly in cases where a section has a large number of backlinks, to use {{subst:Anchor}} in the HTML element of the header. To link to a section within the same article, one can simply prefix the name of the section header with the pound sign ("#") nested in square brackets, for example ("#"):