Fastly vs jsDelivr

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

Top sites by authority

Fastly · 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

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

United States 31,385

297,049

India 11,248

167,723

Japan 4,635

158,519

United Kingdom 7,336

117,022

Brazil 6,036

105,974

France 4,668

92,567

Canada 7,302

85,473

Germany 5,436

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 Fastly sites · All jsDelivr sites