Amazon S3 vs Google Hosted Libraries

Head-to-head usage across the sites we track.

Top sites by authority

Amazon S3 · Google Hosted Libraries · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

Amazon S3 · Google Hosted Libraries · share of sites in each country using one or the other

United States 168,964

280,294

Japan 29,882

224,601

India 66,987

104,588

United Kingdom 62,516

98,930

Canada 49,825

71,082

Brazil 57,793

62,935

France 36,411

68,026

Germany 40,736

62,234

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All Amazon S3 sites · All Google Hosted Libraries sites