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
21
Open Page Rank 8+
3
192
Open Page Rank 7+
4
845
Open Page Rank 6+
8
1,877
Open Page Rank 5+
11
3,941
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
100
196,281
United Kingdom
37
71,127
Canada
51
55,052
Australia
39
48,611
Germany
32
39,993
France
32
32,955
India
50
26,930
Italy
21
26,299
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 | 50 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 300 ms | 400 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.