Highlight.js vs Swiper

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

Top sites by authority

Highlight.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

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

United States 13,727

491,705

India 9,662

274,591

Brazil 5,649

234,477

Germany 8,033

213,155

Japan 5,571

207,032

France 6,719

185,131

United Kingdom 7,223

182,905

Italy 5,999

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 Highlight.js sites · All Swiper sites