Squarespace Commerce vs SummerCart
Head-to-head usage across the sites we track.
Top sites by authority
Squarespace Commerce · SummerCart · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
21
0
Open Page Rank 8+
158
1
Open Page Rank 7+
348
1
Open Page Rank 6+
650
4
Open Page Rank 5+
1,417
7
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Squarespace Commerce · SummerCart · share of sites in each country using one or the other
United States
157,241
559
United Kingdom
26,768
116
Canada
20,567
218
Australia
17,355
55
India
7,685
78
Germany
6,574
105
France
5,855
73
New Zealand
5,315
39
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Squarespace Commerce | SummerCart |
|---|---|---|
| LCP | 1.6 s | 1.5 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 500 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.