Home Reports 2025 Global United States California San Francisco

Internet Speed Report San Francisco May 2025

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

Total Tests

65

Avg. Download

370.47Mbps

Avg. Upload

132.82Mbps

Avg. Ping

35.0ms

Top Internet Providers

Provider Avg Speed
Comcast Cable Communications 389.0 Mbps
Comcast Cable Communications 731.7 Mbps
Comcast Cable Communications, LLC 521.8 Mbps
Comcast Cable Communications, LLC 736.4 Mbps
DigitalOcean, LLC 133.3 Mbps
Cogent Communications 323.1 Mbps
Comcast Cable Communications, LLC 1,009.0 Mbps
AT&T Services, Inc. 736.8 Mbps
Comcast Cable Communications, LLC 490.0 Mbps

Top Devices

Device Share
iPhone 9.2%
Generic Smartphone 6.2%
iPhone 3.1%
iPhone 3.1%
iPad 1.5%

Top Browsers

Browser Share
Chrome 21.5%
Chrome 10.8%
Mobile Safari 9.2%
Chrome Mobile 6.2%
Chrome 6.2%
Chrome 6.2%
Safari 4.6%
Mobile Safari 3.1%
Opera 3.1%
Mobile Safari 3.1%

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.