PubSubJS vs Swiper

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

Top sites by authority

PubSubJS · 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

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

United States 6,565

436,711

India 3,268

243,576

Brazil 3,189

230,631

Germany 2,829

191,904

Japan 1,112

181,403

United Kingdom 2,695

161,912

France 2,689

156,599

Italy 2,509

140,074

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 PubSubJS sites · All Swiper sites