Four vs Visa
Head-to-head usage across the sites we track.
Top sites by authority
Four · Visa · 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
149
Open Page Rank 7+
1
517
Open Page Rank 6+
1
1,047
Open Page Rank 5+
1
2,053
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Four · Visa · share of sites in each country using one or the other
United States
56
125,097
United Kingdom
10
49,093
Germany
5
35,404
Canada
14
34,186
Australia
4
31,571
France
5
28,475
Italy
5
23,193
India
7
21,490
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Four | Visa |
|---|---|---|
| LCP | 1.5 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 450 ms | 400 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.