Amazon S3 vs Unpkg

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

Top sites by authority

Amazon S3 · Unpkg · 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 · Unpkg · share of sites in each country using one or the other

United States 181,878

151,058

India 72,409

68,847

United Kingdom 68,917

54,315

Brazil 58,794

43,084

Canada 54,679

41,486

France 41,897

49,455

Germany 44,787

41,222

Japan 32,678

49,625

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 Unpkg sites