Amazon Webstore vs Cart Functionality

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

Top sites by authority

Amazon Webstore · Cart Functionality · 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

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

United States 14,900

729,127

United Kingdom 2,093

237,218

India 2,313

207,181

Germany 1,459

193,696

France 1,412

180,639

Canada 2,706

165,082

Brazil 1,311

144,613

Spain 1,384

143,412

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 Amazon Webstore sites · All Cart Functionality sites