cdnjs vs jsDelivr

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

Top sites by authority

cdnjs · jsDelivr · 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

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

United States 374,455

297,049

India 213,663

167,723

Japan 163,202

158,519

United Kingdom 136,403

117,022

Brazil 115,153

105,974

France 104,770

92,567

Canada 97,923

85,473

Germany 94,533

87,206

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 cdnjs sites · All jsDelivr sites