Cart Functionality vs Zen Cart
Head-to-head usage across the sites we track.
Top sites by authority
Cart Functionality · Zen Cart · 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 · Zen Cart · share of sites in each country using one or the other
United States
737,680
511
United Kingdom
239,464
198
India
207,201
54
Germany
196,505
47
France
181,709
49
Canada
166,395
110
Brazil
145,168
21
Italy
138,310
78
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart Functionality | Zen Cart |
|---|---|---|
| LCP | 1.7 s | 1.3 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 ms |
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.
Zen Cart to Cart Functionality
| Domain | When |
|---|---|
| cigarhustler.com | Jul 2026 |