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 161 Mbps and an average upload speed of 18 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 | 161 Mbps | 18 Mbps | 9 ms |
| AT&T DSL Fiber | 185 Mbps | 114 Mbps | 6 ms |
| Wave Broadband Cable DSL | 184 Mbps | 12 Mbps | 9 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 161 Mbps for download speeds and 18 Mbps for upload speeds over 14,122 recent tests.
Xfinity has the 3rd 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. 27% of users saw download speeds between 100-250 Mbps, and 45% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 107 Mbps | 23 Mbps | 13 ms |
| March 16, 2024 | 230 Mbps | 23 Mbps | 9 ms |
| March 16, 2024 | 673 Mbps | 1 Mbps | 7 ms |
| March 16, 2024 | 92 Mbps | 40 Mbps | 16 ms |
| March 16, 2024 | 92 Mbps | 36 Mbps | 8 ms |
| March 16, 2024 | 210 Mbps | 6 Mbps | 8 ms |
| March 16, 2024 | 118 Mbps | 18 Mbps | 6 ms |
| March 16, 2024 | 192 Mbps | 19 Mbps | 14 ms |
| March 16, 2024 | 66 Mbps | 38 Mbps | 21 ms |
| March 16, 2024 | 382 Mbps | 24 Mbps | 11 ms |
AT&T is the 2nd most popular provider in South San Francisco offering DSL and fiber internet service. Users have been getting 185 Mbps for download speeds and 114 Mbps for upload speeds over 2,960 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in South San Francisco. 23% of users saw download speeds between 250-500 Mbps, and 31% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 341 Mbps | 257 Mbps | 5 ms |
| March 16, 2024 | 435 Mbps | 277 Mbps | 4 ms |
| March 16, 2024 | 5 Mbps | 1 Mbps | 1997 ms |
| March 16, 2024 | 235 Mbps | 207 Mbps | 4 ms |
| March 16, 2024 | 731 Mbps | 431 Mbps | 5 ms |
| March 16, 2024 | 160 Mbps | 64 Mbps | 6 ms |
| March 16, 2024 | 622 Mbps | 441 Mbps | 4 ms |
| March 16, 2024 | 544 Mbps | 284 Mbps | 5 ms |
| March 16, 2024 | 355 Mbps | 869 Mbps | 3 ms |
| March 16, 2024 | 90 Mbps | 18 Mbps | 21 ms |
Wave Broadband is the 3rd most popular provider in South San Francisco offering cable and DSL internet service. Users have been getting 184 Mbps for download speeds and 12 Mbps for upload speeds over 2,254 recent tests.
Wave Broadband has the 2nd 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 |
|---|---|---|---|
| March 16, 2024 | 853 Mbps | 26 Mbps | 5 ms |
| March 16, 2024 | 792 Mbps | 33 Mbps | 4 ms |
| March 16, 2024 | 80 Mbps | 11 Mbps | 338 ms |
| March 16, 2024 | 100 Mbps | 1 Mbps | 14 ms |
| March 16, 2024 | 34 Mbps | 1 Mbps | 6 ms |
| March 16, 2024 | 731 Mbps | 11 Mbps | 9 ms |
| March 16, 2024 | 464 Mbps | 9 Mbps | 8 ms |
| March 16, 2024 | 20 Mbps | 21 Mbps | 7 ms |
| March 16, 2024 | 216 Mbps | 17 Mbps | 10 ms |
| March 15, 2024 | 2 Mbps | 10 Mbps | 28 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.