The client may not support all the available protocols. This is the level of HTTP protocol that the client is prepared to accept.
|Netscape Enterprise Server - 2.0|
|Property/method value type:||String primitive|
HTTP/1.1 protocol is much more efficient than HTTP/1.0 because it reduces the number of TCP connections required. However, not all browsers support it and you may need to check this value if you are sending back multiple items in a single response.