The response headers contain information about the server and the response data.
The following table lists some common response headers.
Table 12–3 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 following data. |
|
WWW-Authenticate |
Used during authentication and includes information that tells the browser software what is necessary for authentication (such as user name and password). |