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 14,692

278,336

India 5,161

147,200

Germany 4,498

119,952

United Kingdom 6,111

111,972

France 4,201

95,292

Brazil 3,678

95,582

Canada 6,223

86,422

Netherlands 2,725

69,064

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 SWC sites · All Webpack sites