I have two identical (well, almost) environments and one is slower than the other one. I have been testing a OOTB site collection on each environment and one performs slower than the other.
Using fiddler I see that in the response codes I get
RESPONSE CODES -------------- HTTP/200: 63 HTTP/401: 12 HTTP/304: 1
In the other one I get just 1.
RESPONSE CODES -------------- HTTP/200: 72 HTTP/401: 2 HTTP/304: 1
Does this code 401 slow down my page? Some of the links that throw the 401 are:
Is there anyone who would like to have a look at the Fiddler Sessions? I can email them to you.