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
146
Open Page Rank 7+
1
519
Open Page Rank 6+
1
1,050
Open Page Rank 5+
1
2,062
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
57
123,683
United Kingdom
8
48,463
Germany
4
35,005
Canada
14
34,062
Australia
5
31,725
France
4
28,333
Italy
5
22,033
India
9
21,187
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Four | Mastercard |
|---|---|---|
| LCP | 1.6 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.