Lazy.js vs React

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

Detections for Lazy.js end in May 2020. The fingerprint catalog behind our crawls no longer carries that technology as its own entry, usually because it was retired or split into more specific ones, so its figure is the last recorded and is not directly comparable with a currently tracked technology.

Top sites by authority

Lazy.js · React · 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

Lazy.js · React · share of sites in each country using one or the other

United States 976

596,374

India 554

237,671

United Kingdom 613

191,623

Germany 612

162,924

Brazil 399

161,653

Canada 534

147,238

France 467

140,452

Australia 349

101,917

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 Lazy.js sites · All React sites