Persistent Connections and their Timeouts for Browsers IE and FF

Persistent Connections and their Timeouts for Browsers IE and FF

Internet Explorer
By default, versions 6 and 7 use 2 persistent connections
Version 8 uses 6.

Persistent connections time out after 60 seconds of inactivity which is changeable via the Windows Registry.

Mozilla Firefox
The number of simultaneous connections can be customized (per-server, per-proxy, total).
For e.g. For FF 13.0.1 -> network.http.max-persistent-connections-per-server = 8

Persistent connections time out after 115 seconds (1.92 minutes) of inactivity which is changeable via the configuration ^-> network.http.keep-alive.timeout in about:config