How fast is the Internet speed in San Diego 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?

San Diego 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 Internet539 Mbps 594 Mbps 58 Mbps   97 clients took 419 tests recently
2AT&T U-verse430.2 Mbps 616 Mbps 201 Mbps   1558 clients took 5604 tests recently
3Spectrum71.2 Mbps 110 Mbps 10 Mbps   1491 clients took 2823 tests recently
4Cox62.6 Mbps 105 Mbps 10 Mbps   1921 clients took 3098 tests recently
5Cox Business29.5 Mbps 39 Mbps 19 Mbps   236 clients took 262 tests recently
6T-Mobile USA11.6 Mbps 11 Mbps 12 Mbps   559 clients took 423 tests recently
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Do you want to research connection speed for San Diego CA, US?'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 San Diego CA.

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