Cart Functionality vs Vnda

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

Top sites by authority

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

United States 729,127

5

United Kingdom 237,218

0

India 207,181

4

Germany 193,696

0

France 180,639

0

Canada 165,082

0

Brazil 144,613

636

Spain 143,412

0

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 Vnda sites