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

Test My Download Speed Test My Upload Speed

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

1Comcast Cable 105 Mbps 7 Mbps 1970 clients took 4240 speed tests recently 60 Mbps 40 Mbps 477 clients took 2171 speed tests recently
3Comcast 68 Mbps 21 Mbps 65 clients took 689 speed tests recently
4Webpass 40 Mbps 46 Mbps 157 clients took 422 speed tests recently
5Monkey Brains 34 Mbps 26 Mbps 162 clients took 272 speed tests recently
6AT&T U-verse 28 Mbps 24 Mbps 533 clients took 704 speed tests recently
7Queen Systems 30 Mbps 7 Mbps 60 clients took 798 speed tests recently
8T-Mobile USA 17 Mbps 9 Mbps 465 clients took 423 speed tests recently
9Verizon 17 Mbps 6 Mbps 478 clients took 448 speed tests recently
10AT&T Wireless 14 Mbps 5 Mbps 714 clients took 1346 speed tests recently
11Digital Ocean 12 Mbps 4 Mbps 697 clients took 904 speed tests recently
Sign In or Create Account to see member rank for San Francisco.

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.

Speed Test Log  Max Speed  

Averages Calculated Daily