Isotope vs Swiper

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

Top sites by authority

Isotope · 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

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

United States 149,923

491,705

India 104,432

274,591

Germany 71,616

213,155

Brazil 49,230

234,477

France 58,750

185,131

United Kingdom 55,260

182,905

Italy 75,697

160,103

Japan 18,028

207,032

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 Isotope sites · All Swiper sites