How fast is the Internet speed in San Francisco 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 Francisco 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

1Webpass95.5 Mbps 91 Mbps 104 Mbps   215 clients took 264 tests recently
2Comcast Cable80.8 Mbps 122 Mbps 11 Mbps   2471 clients took 2330 tests recently
3Sonic.net66 Mbps 61 Mbps 116 Mbps   479 clients took 2003 tests recently
4AT&T U-verse50.9 Mbps 50 Mbps 52 Mbps   492 clients took 513 tests recently
5Level 340.7 Mbps 37 Mbps 46 Mbps   80 clients took 241 tests recently
6Comcast29.5 Mbps 35 Mbps 16 Mbps   124 clients took 228 tests recently
7MonkeyBrains24.4 Mbps 30 Mbps 17 Mbps   73 clients took 756 tests recently
8AT&T Wireless17.1 Mbps 21 Mbps 7 Mbps   1014 clients took 1924 tests recently
9Verizon14.1 Mbps 17 Mbps 8 Mbps   699 clients took 720 tests recently
10T-Mobile USA13.1 Mbps 16 Mbps 8 Mbps   674 clients took 1144 tests recently
11Digital Ocean7.3 Mbps 8 Mbps 3 Mbps   886 clients took 1254 tests recently
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Do you want to research connection speed for San Francisco 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 Francisco CA.

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