willen69, probeer dit eens
http://blogs.techrepublic.com.com/10things/?p=719typ eens in firefox about:config
1: Speed up Firefox
This hack requires a few steps. Search for pipelining in the filter and you should see:
network.http.pipelining: Change this to true.
network.http.proxy.pipelining: Change this to true.
network.http.pipelining.maxrequests: Change this to 8.
Now search for max-connections and you should see:
network.http.max-connections: Change this to 96.
network.http.max-connections-per-server: Change this to 32.