Coppermine vs Zenfolio
Head-to-head usage across the sites we track.
Top sites by authority
Coppermine · Zenfolio · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
0
1
Open Page Rank 7+
1
4
Open Page Rank 6+
1
5
Open Page Rank 5+
2
6
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Coppermine · Zenfolio · share of sites in each country using one or the other
United States
25
167
United Kingdom
12
56
India
9
40
Canada
7
31
Mexico
5
20
Germany
15
9
France
11
12
Italy
9
12
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Coppermine | Zenfolio |
|---|---|---|
| LCP | 1.3 s | 1.8 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 900 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.