In South San Francisco there are 3 internet service providers, with Xfinity being the most popular. Xfinity offers cable internet service. In recent tests, Xfinity customers had an average download speed of 171 Mbps and an average upload speed of 22 Mbps. In addition to Xfinity, AT&T and Wave Broadband offer DSL, fiber and cable internet service.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 171 Mbps | 22 Mbps | 9 ms |
| AT&T DSL Fiber | 147 Mbps | 49 Mbps | 6 ms |
| Wave Broadband Cable DSL | 142 Mbps | 13 Mbps | 8 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in South San Francisco offering cable internet service. Users have been getting 171 Mbps for download speeds and 22 Mbps for upload speeds over 16,321 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in South San Francisco. 26% of users saw download speeds between 100-250 Mbps, and 46% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 349 Mbps | 37 Mbps | 6 ms |
| June 17, 2024 | 37 Mbps | 11 Mbps | 8 ms |
| June 17, 2024 | 92 Mbps | 35 Mbps | 12 ms |
| June 17, 2024 | 455 Mbps | 41 Mbps | 14 ms |
| June 17, 2024 | 119 Mbps | 17 Mbps | 7 ms |
| June 17, 2024 | 885 Mbps | 41 Mbps | 12 ms |
| June 17, 2024 | 118 Mbps | 39 Mbps | 5 ms |
| June 17, 2024 | 48 Mbps | 11 Mbps | 9 ms |
| June 17, 2024 | 5 Mbps | 2 Mbps | 47 ms |
| June 17, 2024 | 144 Mbps | 41 Mbps | 5 ms |
AT&T is the 2nd most popular provider in South San Francisco offering DSL and fiber internet service. Users have been getting 147 Mbps for download speeds and 49 Mbps for upload speeds over 3,600 recent tests.
AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in South San Francisco. 20% of users saw download speeds faster than 500 Mbps, and 28% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 64 Mbps | 69 Mbps | 5 ms |
| June 17, 2024 | 101 Mbps | 36 Mbps | 5 ms |
| June 17, 2024 | 161 Mbps | 87 Mbps | 5 ms |
| June 17, 2024 | 15 Mbps | 2 Mbps | 20 ms |
| June 17, 2024 | 617 Mbps | 475 Mbps | 7 ms |
| June 17, 2024 | 212 Mbps | 197 Mbps | 24 ms |
| June 17, 2024 | 360 Mbps | 394 Mbps | 5 ms |
| June 17, 2024 | 3 Mbps | 1 Mbps | 36 ms |
| June 17, 2024 | 750 Mbps | 647 Mbps | 8 ms |
| June 17, 2024 | 23 Mbps | 59 Mbps | 4 ms |
Wave Broadband is the 3rd most popular provider in South San Francisco offering cable and DSL internet service. Users have been getting 142 Mbps for download speeds and 13 Mbps for upload speeds over 2,676 recent tests.
Wave Broadband has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in South San Francisco. 26% of users saw download speeds faster than 500 Mbps, and 38% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 759 Mbps | 32 Mbps | 6 ms |
| June 17, 2024 | 686 Mbps | 20 Mbps | 4 ms |
| June 17, 2024 | 58 Mbps | 1 Mbps | 11 ms |
| June 17, 2024 | 9 Mbps | 1 Mbps | 25 ms |
| June 17, 2024 | 67 Mbps | 32 Mbps | 8 ms |
| June 17, 2024 | 116 Mbps | 38 Mbps | 27 ms |
| June 16, 2024 | 766 Mbps | 32 Mbps | 5 ms |
| June 16, 2024 | 135 Mbps | 35 Mbps | 7 ms |
| June 16, 2024 | 792 Mbps | 20 Mbps | 5 ms |
| June 16, 2024 | 450 Mbps | 11 Mbps | 6 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.