core-js vs jQuery Modal

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

Top sites by authority

core-js · jQuery Modal · 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

core-js · jQuery Modal · share of sites in each country using one or the other

United States 1,320,418

3,599

India 439,882

1,438

Brazil 411,231

1,074

United Kingdom 404,005

1,566

Germany 391,462

1,288

France 311,727

1,638

Canada 298,167

1,105

Italy 291,018

1,169

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 core-js sites · All jQuery Modal sites