jQuery Migrate vs Lozad.js

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

Top sites by authority

jQuery Migrate · Lozad.js · 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

jQuery Migrate · Lozad.js · share of sites in each country using one or the other

United States 849,474

10,997

Germany 314,354

4,062

India 299,510

3,993

Japan 282,542

14,184

Italy 282,524

2,747

United Kingdom 269,921

5,155

France 271,447

3,033

Spain 252,481

2,419

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 jQuery Migrate sites · All Lozad.js sites