Four vs Mastercard
Head-to-head usage across the sites we track.
Top sites by authority
Four · Mastercard · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
13
Open Page Rank 8+
1
143
Open Page Rank 7+
1
505
Open Page Rank 6+
1
1,057
Open Page Rank 5+
1
2,086
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Four · Mastercard · share of sites in each country using one or the other
United States
70
135,747
United Kingdom
13
52,625
Canada
18
37,821
Germany
8
37,542
Australia
6
34,444
France
5
31,057
India
9
23,507
Italy
5
23,144
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Four | Mastercard |
|---|---|---|
| LCP | 1.7 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.