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 181,878

327,264

Japan 32,678

267,213

India 72,409

124,044

United Kingdom 68,917

114,905

Canada 54,679

83,462

Brazil 58,794

72,218

France 41,897

83,126

Germany 44,787

74,359

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, Jun 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