cdnjs vs Fastly

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

Top sites by authority

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

United States 424,275

34,803

India 241,139

12,125

Japan 191,810

5,468

United Kingdom 157,683

8,477

Brazil 128,927

6,481

France 126,091

5,805

Canada 113,739

8,438

Germany 108,676

6,336

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 cdnjs sites · All Fastly sites