HTTP: The Definitive Guide
| Accept-Language |
The Accept-Language request header functions like the other Accept headers, allowing clients to inform the server about what languages (e.g., the natural language for content) are acceptable or preferred. Chapter 17contains a complete description of the Accept-Language header.
Type
Request header
Basic Syntax
Accept-Language: 1# (language-range [";" "q" "="qvalue])
language-range = ((1*8ALPHA * ("-" 1*8ALPHA)) | "*")
Examples
Accept-Language: en
Accept-Language: en;q=0.7, en-gb;q=0.5