How To: Improve Internet Browsing
But first, you might want to test your current connection speed for several times to get a better idea of average bandwidth speed. Then check again after you made the trick. This way will give you the peak surprisingly like the screenshot shows below. A good tool to do this is the TCP/IQ speed test.
Stop QoS
QoS, for Quality of Service that supposed to make sure your network is working, but in reality isn’t helpful and can eat up to 20 percent of your bandwidth.
For Windows XP Professional users, follow these instructions to disable QoS:
For Windows Home Edition, follow these instructions to disable QoS:
Network settings
I can tell you that Windows networking comes configured for a generic user with a generic connection. It can’t differentiate what kind of Internet connection you have, whether you’re using dialup or DSL or a cable modem. Because of that, its network settings are also generic. So there’s always a tools out there to help you by this, and the easiest way to tailor these settings to your connection. Whereas, some programs may be quite hard for beginner to manage, but a much easier to use I have discovered is TCP Optimizer from Speed Guide, a Web site dedicated to broadband issues.
The nice thing about TCP Optimizer is that you only have to use a slider to indicate your connection speed, tell it how you connect, and click on the Optimize button. When you reboot, your connection should be noticeably faster (and you can always go back to TCPIQ.com or Speakeasy.net to check it).
Screenshot shows the peaks after I had made this trick, note the highest peak

Actually this is just a tip of the iceberg. There are hundreds of small tweaks you can make, and the only limitation is how deep you’re willing to delve into your system. Googling for “speed/boost up windows XP + tweaks” will give thousands of results of websites will be dedicated to helping people squeeze every last drop of speed from their machines. The only limitation is how deep you wish to dig out.
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