Baseline Widely available
The HTTP Content-Language representation header is used to describe the language(s) intended for the audience, so users can differentiate it according to their own preferred language.
For example, Content-Language: de-DE indicates that the document is intended for German language speakers. The document may be written in English, not German, as part of a language course for German speakers. To indicate the language the document is written in, use the lang attribute instead.
If no Content-Language is specified, the default is that the content is intended for all language audiences. Multiple language tags are also possible, as well as applying the Content-Language header to various media types and not only to textual documents.
* Values can only be 0-9, A-Z, a-z, a space, or the characters *,-.;=.
Content-Language: de-DE
Content-Language: en-US
Content-Language: de-DE, en-CA
language-tag
Multiple language tags are separated by a comma. Each language tag is a sequence of one or more case-insensitive subtags, each separated by a hyphen character (-). In most cases, a language tag consists of a primary language subtag that identifies a broad family of related languages (e.g., en = English) and is optionally followed by a series of subtags that refine or narrow that language's range (e.g., en-CA = the variety of English as communicated in Canada).
Note: Language tags are formally defined in BCP 47, which rely on the ISO 639 standard (quite often the ISO 639-1 code list) for language codes to be used.
Examples Indicating the language a document is written inThe global lang attribute is used on HTML elements to indicate the language of an entire HTML document or parts of it.
<html lang="de">
â¦
</html>
Do not use this meta element to state the document language, as shown below:
<meta http-equiv="content-language" content="de" />
The Content-Language header is used to specify the page's intended audience and can indicate that this is more than one language.
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4