Home Reports 2025 Global United States California San Francisco

Internet Speed Report San Francisco March 2025

A comprehensive analysis of broadband performance in San Francisco based on real user speed tests conducted on Bandwidth Place.

Total Tests

76

Avg. Download

465.21Mbps

Avg. Upload

151.60Mbps

Avg. Ping

41.9ms

Top Internet Providers

Provider Avg Speed
Wave Broadband 517.2 Mbps
Comcast Cable Communications 641.1 Mbps
Comcast Cable Communications, LLC 295.0 Mbps
Comcast Cable Communications 564.3 Mbps
Comcast Cable Communications, LLC 1,300.0 Mbps
Comcast Cable Communications, LLC 587.7 Mbps
San Francisco Unified School District 343.5 Mbps
Comcast Cable Communications, LLC 998.0 Mbps
Comcast Cable Communications 177.8 Mbps
AT&T Services, Inc. 277.2 Mbps

Top Devices

Device Share
iPhone 13.2%
Generic Smartphone 6.6%
Apple iPhone 1.3%
Generic Android 2.0 1.3%
iPhone 1.3%

Top Browsers

Browser Share
Chrome 22.4%
Mobile Safari 13.2%
Chrome 9.2%
Firefox 9.2%
Chrome Mobile 6.6%
Chrome 5.3%
Chrome 5.3%
Firefox 3.9%
Safari 2.6%
Chrome 2.6%

Analysis Methodology

The data presented in this report is aggregated directly from real user speed tests performed on the Bandwidth Place platform testing network nodes globally during 2025. We calculate the localized metrics using strict data sanity checks to prevent skewed results from anomalies or extreme outliers.

SEO & Location Routing Structure: Because location data is structurally rigid, caching data dynamically to static hierarchy (Country -> State -> City) provides significant improvements to PageSpeed metrics and Time to First Byte (TTFB). This strategy ensures optimum indexing for search engines processing localized queries.