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Strange Internet Speed Problem

by karthikaravind / December 24, 2010 9:14 AM PST

I have Windows XP Pro SP3 in My Laptop.
When I use torrents I am able to download at full speed.

But When I browse or download from some websites the speed it slow.
I checked with Mozilla 3.6 and Internet Explorer 7

My Internet Connection Specs:
1. Wireless(EVDO) Connection - Connecting using USB
2. Upto 2.4 Mbps
3. No Fair-Usage Policies

Few notes:

1. Ensured that No Viruses/Spyware in my system - Checked with Updated Kaspersky Internet Security and
2. No Antivirus/Firewall Software limiting my Speed - Checked by disabling the Kaspersky Software.
3. No Speed throttling by ISP as I am getting good speed while using Torrents.
4. Using in my home connection.
5. Ensured the website is not slow/down.Checked with the same connection with another PC.
6. Tried using download managers.But no fruit.
7. No Background network Utilization - updates and of that sort - Checked using TCPView.
8. My browser is set to make 6 parallel connections/server.Tried Increasing and decreasing.Still no hopes.
9. Patched the max. half-open connections to 250.
10. Checked my event logs - nothing Suspicious
11. Have ample free space in my discs.
12. Tried De-fragmenting my harddisk and registry. Still no success.

Also to note that as I get full speeds with torrents there is no problem with ISP
A speed test result from at various time of the day shows good results only

Could someone help me to solve this problem ?

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And you expect every Internet site . . .
by Coryphaeus / December 24, 2010 10:15 AM PST

to behave exactly the same? Please, think about it.

Different sites have different servers, routers, switches for traffic, different backbone speeds, and the list goes on.

DO NOT expect all sites to behave the same.

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Re: And you expect every Internet site...
by karthikaravind / December 24, 2010 12:10 PM PST

Thanks for the response...
I understand different sites have different devices and speed/traffic.
But I would like to mention that I tried downloading the same file under the following conditions:
1. Different ISP in my Laptop - I get approximately the same speed as with my EVDO
2. At the same time while downloading in my Laptop I tried downloading the same file from same server in another computer with different ISP - I get good Speed
3. I tried downloading the same file in another computer with my EVDO - I get good speeds.

So analyzing the above point can we jump into a conclusion that some configuration in my laptop is only throttling the speed ?

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OK, try this . . .
by Coryphaeus / December 24, 2010 9:46 PM PST

Go here:

Run these in this order:

Speed Test - note results
Tweak Test - note results
Dr. TCP - download and run (it's only an executable) this tweaker and make changes recommended by Tweak Test.

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by R. Proffitt Forum moderator / December 24, 2010 10:19 AM PST

Web sites can be hammered by recent attack software such as you read about in the news. Since this is not under your control (Hey, everybody off the internet!) then your web speed is not likely to be your machine's problem.

There is also some web cacheing by the EVDO folk that could be at fault. Torrents as you suspect would side step that.

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possibly corrupt Winsock files or corrupt TCP / IP stack
by teratec / December 25, 2010 11:20 AM PST

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