The response headers contain information about the server and the response data.
The following table lists some common response headers.
Table A–3 Common Response Headers
Response Header |
Description |
---|---|
Server |
Name and version of the web server. |
Date |
Current date (in Greenwich Mean Time). |
Last-Modified |
Date when the document was last modified. |
Expires |
Date when the document expires. |
content-length |
Length of the data that follows (in bytes). |
content-type |
MIME type of the data that follows. |
WWW-Authenticate |
Used during authentication and includes information that tells the browser software what is necessary for authentication (such as user name and password). |