How fast is the Internet speed in Diamond Bar CA, US?

We believe that it's a conflict of interest when Internet service providers operate their own speed tests. A third party opinion is necessary and the provider shouldn't be allowed anywhere near the process. When providers host their own speed tests they eliminate the variables that you're here to test. Namely the Internet route itself. This test is unbiased, it tests and grades all providers on the same criteria. They want you to think your connection is running perfectly... but is it really?

Diamond Bar CA Speed Test

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Other speed tests, especially tests offered by your Internet provider try to eliminate routing factors. This can make your connection appear faster than it really is. Truthfully, do you want to know how fast your connection is within your providers network or do you want to know how fast it is to the locations where the websites you visit are being hosted? is not a best case scenario connection test and will test your Internet under real world conditions. [read more]

Top ISP Rank

1Spectrum51.8 Mbps 78 Mbps 9 Mbps   45 clients took 168 tests recently
2Frontier47.2 Mbps 71 Mbps 14 Mbps   48 clients took 19 tests recently
3Spectrum23.3 Mbps 37 Mbps 9 Mbps   4 clients took 4 tests recently
4Zenlayer12.9 Mbps 20 Mbps 1 Mbps   32 clients took 11 tests recently
5Windstream11.1 Mbps 2 Mbps 26 Mbps   2 clients took 8 tests recently
6Bigleaf6.2 Mbps 17 Mbps 0.65 Mbps   1 clients took 3 tests recently
7ViaSat2.1 Mbps 2 Mbps 2 Mbps   2 clients took 13 tests recently
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Do you want to research connection speed of an Internet provider?'s Download Speed Test and Upload Speed Test log connection information to allow users to research real world Internet speed test results.'s speed test database stores information on millions of Internet connections. This tool can average connection speed for any Internet provider, country or city in the world. So you can easily average speed test results, compare maximum speeds, research logged results and find the fastest ISPs for Diamond Bar CA.

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