Mastercard vs Square
Head-to-head usage across the sites we track.
Top sites by authority
Mastercard · Square · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
13
0
Open Page Rank 8+
149
0
Open Page Rank 7+
516
1
Open Page Rank 6+
1,045
1
Open Page Rank 5+
2,047
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mastercard · Square · share of sites in each country using one or the other
United States
124,117
1,535
United Kingdom
48,662
149
Germany
35,147
43
Canada
33,802
271
Australia
31,311
179
France
28,250
44
Italy
22,986
37
India
21,025
82
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mastercard | Square |
|---|---|---|
| LCP | 1.4 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Square to Mastercard
| Domain | When |
|---|---|
| gurtons.com | Aug 2026 |
| justcbdstores.com | Jun 2026 |