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How accurate are bandwidth tests?

By edmgrigonis ·
Cox communications has announced a speed increase for Preferred customers from 1.5 to 4Mb downlad speeds.
Bandwidth.com now shows me at approx 3Mb.
The Cnet bandwidth meter shows me still at around 1.5
How accurate are they?

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Conditions

by TheChas In reply to How accurate are bandwidt ...

Any bandwidth test that you run from a remote web site will result in the speed of the slowest link between you and their site.

Anything that slows down or limits the speed of data transfer between you and them will cause the results to be slower than your actual connection speed.

For the most accurate results, you need to use a test site that is physically close to your site, and has at least as fast a connection as you do.
Even then, you will get different results at different times of the day.

Chas

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You can also do a tracert

by Oz_Media In reply to Conditions

If you do a trace route to the test server you will see the number of hops.

Find one with fewer hops and you will get a more accurate LOCAL reading.

This would be you speed if communicatig with a server close by, if with equal badnwidth.

THe problem is, the web takes you all over the world, sometime around the world before landing back next door,so speeds will vary.

I have seen a couple of good local tools and your ISP should have a good downlowd test site, if not this one is a good test of download speeds, it wlll send you a 2 meg dummy file, instead of just pinging for your throughput ability.
http://support.shaw.ca/troubleshooting/speedtest.htm

Again thoug it will vary by area but the servers are good.

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