cdnjs vs Section.io

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

Top sites by authority

cdnjs · Section.io · 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 · Section.io · share of sites in each country using one or the other

United States 368,014

4,075

India 210,834

1,575

Japan 160,828

400

United Kingdom 137,098

2,037

Brazil 112,896

631

France 104,936

1,665

Canada 97,673

959

Germany 91,482

1,326

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, Sep 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 Section.io sites