Cart Functionality vs Shoper

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

Top sites by authority

Cart Functionality · Shoper · 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

Cart Functionality · Shoper · share of sites in each country using one or the other

United States 729,127

65

United Kingdom 237,218

194

India 207,181

54

Germany 193,696

483

France 180,639

76

Canada 165,082

14

Brazil 144,613

10

Spain 143,412

61

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 Cart Functionality sites · All Shoper sites