Preact vs Swiper

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

Top sites by authority

Preact · Swiper · 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

Preact · Swiper · share of sites in each country using one or the other

United States 216,874

491,705

India 62,185

274,591

Germany 93,560

213,155

United Kingdom 83,438

182,905

Brazil 31,735

234,477

France 59,721

185,131

Japan 20,363

207,032

Italy 44,333

160,103

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 Preact sites · All Swiper sites