HTTP/3 vs Sprig plugin

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

Top sites by authority

HTTP/3 · Sprig plugin · 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 · Sprig plugin · share of sites in each country using one or the other

United States 1,141,651

319

India 531,962

116

Brazil 414,021

43

United Kingdom 386,042

266

Indonesia 294,061

35

Germany 289,537

137

Canada 280,974

98

Italy 273,070

64

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 HTTP/3 sites · All Sprig plugin sites