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 115,194

424,275

India 66,244

241,139

Japan 63,635

191,810

United Kingdom 54,280

157,683

Brazil 65,811

128,927

France 37,853

126,091

Canada 41,494

113,739

Germany 39,000

108,676

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 CloudFront sites · All cdnjs sites