FirstPromoter vs Sovrn//Commerce
Head-to-head usage across the sites we track.
Top sites by authority
FirstPromoter · Sovrn//Commerce · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
6
Open Page Rank 8+
29
21
Open Page Rank 7+
145
49
Open Page Rank 6+
278
77
Open Page Rank 5+
445
135
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
FirstPromoter · Sovrn//Commerce · share of sites in each country using one or the other
United States
1,524
2,074
India
1,042
961
United Kingdom
709
918
Indonesia
474
1,040
Canada
653
744
Germany
578
606
Brazil
524
599
France
499
613
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FirstPromoter | Sovrn//Commerce |
|---|---|---|
| LCP | 2.3 s | 2.1 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 900 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.