Amazon CloudFront vs cdnjs

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

Top sites by authority

Amazon CloudFront · cdnjs · 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 CloudFront · cdnjs · share of sites in each country using one or the other

United States 104,922

374,455

India 60,628

213,663

Japan 56,551

163,202

United Kingdom 49,135

136,403

Brazil 60,822

115,153

France 33,659

104,770

Canada 36,865

97,923

Germany 34,896

94,533

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, Aug 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 CloudFront sites · All cdnjs sites