decimal.js vs Swiper

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

Top sites by authority

decimal.js · 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

decimal.js · Swiper · share of sites in each country using one or the other

United States 1,922

427,105

India 1,278

239,537

Brazil 745

225,038

Germany 1,439

188,085

Japan 557

180,131

United Kingdom 1,237

161,180

France 1,990

159,069

Italy 1,084

145,736

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, Sep 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 decimal.js sites · All Swiper sites