Iamport vs Shop Pay
Head-to-head usage across the sites we track.
Top sites by authority
Iamport · Shop Pay · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
22
Open Page Rank 8+
3
195
Open Page Rank 7+
4
856
Open Page Rank 6+
8
1,885
Open Page Rank 5+
10
3,959
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Iamport · Shop Pay · share of sites in each country using one or the other
United States
102
181,162
United Kingdom
29
65,633
Canada
49
50,109
Australia
37
44,843
Germany
31
37,761
France
24
30,289
Italy
23
25,175
India
45
24,266
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Iamport | Shop Pay |
|---|---|---|
| LCP | 1.7 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 300 ms | 500 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.