Home Reports 2025 Global United States California San Francisco

Internet Speed Report San Francisco September 2025

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

Total Tests

68

Avg. Download

279.23Mbps

Avg. Upload

126.53Mbps

Avg. Ping

39.4ms

Top Internet Providers

Provider Avg Speed
Wave Broadband 416.7 Mbps
Wave Broadband 122.8 Mbps
Comcast Cable Communications 403.0 Mbps
AT&T Services, Inc. 185.7 Mbps
Comcast Cable Communications 230.9 Mbps
AT&T Services, Inc. 302.7 Mbps
Comcast Cable Communications, LLC 211.8 Mbps
Comcast Cable Communications, LLC 118.6 Mbps
Comcast Cable Communications, LLC 437.5 Mbps
AT&T Services, Inc. 132.4 Mbps

Top Devices

Device Share
iPhone 13.2%
iPhone 4.4%
Generic Smartphone 2.9%
iPhone 1.5%
iPhone 1.5%
iPhone 1.5%

Top Browsers

Browser Share
Chrome 29.4%
Chrome 16.2%
Mobile Safari 13.2%
Chrome 7.4%
Chrome Mobile iOS 4.4%
Safari 4.4%
Chrome Mobile 2.9%
Firefox 2.9%
Chrome 1.5%
Mobile Safari 1.5%

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.