SWC vs Webpack

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

Top sites by authority

SWC · Webpack · 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

SWC · Webpack · share of sites in each country using one or the other

United States 14,379

280,614

India 5,071

151,337

Germany 4,412

119,668

United Kingdom 6,077

113,937

France 4,236

97,546

Brazil 3,552

97,414

Canada 6,224

87,677

Spain 3,061

71,269

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 SWC sites · All Webpack sites