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+
144
51
Open Page Rank 6+
274
79
Open Page Rank 5+
438
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
1,544
2,038
India
1,031
929
United Kingdom
705
899
Indonesia
469
1,003
Canada
649
708
Germany
573
599
France
513
582
Brazil
515
575
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, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.