Want a little extra boost on IE download speeds and are not afraid to disobey the HTTP protocol conventions?
» Increase the number of simultaneous connections in Internet Explorer 4.0 and above.
By default the number of simultaneous connections to a HTTP 1.0 server is 4, to a HTTP 1.1 server is 2.
To change these limits, use Regedt32 to navigate to:
On the Edit menu, add the following REG_DWORD value names:
MaxConnectionsPerServer – The number of simultaneous requests to a single HTTP 1.1 Server. The default is 2. MaxConnectionsPer1_0Server – The number of simultaneous requests to a single HTTP 1.0 Server. The default is 4.
NOTE: Increasing these defaults is a violation of the HTTP protocol, and should only be performed if absolutely necessary.
Additional note to those behind a proxy: Make sure you have Use HTTP 1.1 through proxy connections checked on in Advanced IE config.