Cart Functionality vs StackCommerce
Head-to-head usage across the sites we track.
Top sites by authority
Cart Functionality · StackCommerce · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
138
0
Open Page Rank 8+
2,470
13
Open Page Rank 7+
10,314
21
Open Page Rank 6+
20,555
25
Open Page Rank 5+
37,358
28
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 · StackCommerce · share of sites in each country using one or the other
United States
819,640
120
United Kingdom
265,245
101
India
226,526
106
Germany
217,355
94
France
207,855
99
Canada
188,032
110
Brazil
158,050
92
Italy
154,275
93
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart Functionality | StackCommerce |
|---|---|---|
| LCP | 1.7 s | 1.8 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 700 ms |
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.