How fast is the Internet speed in Castro Valley 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?

Castro Valley 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

1AT&T U-verse85.2 Mbps 107 Mbps 58 Mbps   287 clients took 29 tests recently
2Comcast Cable79.7 Mbps 110 Mbps 8 Mbps   746 clients took 37 tests recently
3AT T Internet71.1 Mbps 107 Mbps 0.31 Mbps   149 clients took 3 tests recently
4Hughes Network22.1 Mbps 33 Mbps 2 Mbps   153 clients took 502 tests recently
5Verizon8.6 Mbps 7 Mbps 11 Mbps   476 clients took 27 tests recently
6Comcast7.3 Mbps 6 Mbps 9 Mbps   6 clients took 11 tests recently
7AT&T Services1.1 Mbps 1 Mbps 1 Mbps   10 clients took 6 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 Castro Valley CA.

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