Cart Functionality vs J2Store

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

Top sites by authority

Cart Functionality · J2Store · 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 · J2Store · share of sites in each country using one or the other

United States 819,640

267

United Kingdom 265,245

130

India 226,526

92

Germany 217,355

193

France 207,855

109

Canada 188,032

68

Brazil 158,050

77

Italy 154,275

183

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 Cart Functionality sites · All J2Store sites