Mastercard vs Tamara
Head-to-head usage across the sites we track.
Top sites by authority
Mastercard · Tamara · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
11
1
Open Page Rank 8+
145
3
Open Page Rank 7+
516
3
Open Page Rank 6+
1,056
3
Open Page Rank 5+
2,071
4
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mastercard · Tamara · share of sites in each country using one or the other
United States
124,117
46
United Kingdom
48,662
32
Germany
35,147
36
Canada
33,802
18
Australia
31,311
10
France
28,250
36
Italy
22,986
17
India
21,025
91
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mastercard | Tamara |
|---|---|---|
| LCP | 1.4 s | 3.4 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 1900 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.
Tamara to Mastercard
| Domain | When |
|---|---|
| yaxso.com | Aug 2026 |
| burashidperfumes.com | Aug 2026 |
| mdsmobile.ae | Feb 2026 |
| watchkompany.com | Dec 2025 |