jsDelivr vs Section.io

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

Top sites by authority

jsDelivr · 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

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

United States 330,297

5,076

India 186,084

1,898

Japan 180,369

499

United Kingdom 132,288

2,392

Brazil 115,315

746

France 110,947

1,997

Germany 98,865

1,632

Canada 97,618

1,135

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 jsDelivr sites · All Section.io sites