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 130,904

436,711

India 89,398

243,576

Brazil 44,413

230,631

Germany 63,666

191,904

United Kingdom 47,564

161,912

France 48,257

156,599

Italy 63,894

140,074

Japan 15,365

181,403

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 Isotope sites · All Swiper sites