HTTP/3 vs Swiper Slider

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

Top sites by authority

HTTP/3 · Swiper Slider · 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

HTTP/3 · Swiper Slider · share of sites in each country using one or the other

United States 1,284,004

22,660

India 592,975

10,444

United Kingdom 436,501

10,174

Brazil 418,679

11,718

Indonesia 328,375

6,127

Canada 321,328

7,987

Germany 316,957

11,446

Italy 305,727

8,563

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 HTTP/3 sites · All Swiper Slider sites