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 34,803

330,297

India 12,125

186,084

Japan 5,468

180,369

United Kingdom 8,477

132,288

Brazil 6,481

115,315

France 5,805

110,947

Canada 8,438

97,618

Germany 6,336

98,865

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 Fastly sites · All jsDelivr sites