Cart Functionality vs Miva
Head-to-head usage across the sites we track.
Top sites by authority
Cart Functionality · Miva · 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
1
Open Page Rank 7+
10,314
1
Open Page Rank 6+
20,555
2
Open Page Rank 5+
37,358
6
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 · Miva · share of sites in each country using one or the other
United States
819,640
709
United Kingdom
265,245
83
India
226,526
71
Germany
217,355
31
France
207,855
32
Canada
188,032
188
Brazil
158,050
18
Italy
154,275
21
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart Functionality | Miva |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| 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.