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+
13
0
Open Page Rank 8+
146
1
Open Page Rank 7+
519
2
Open Page Rank 6+
1,050
2
Open Page Rank 5+
2,062
3
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
123,683
41
United Kingdom
48,463
28
Germany
35,005
32
Canada
34,062
14
Australia
31,725
9
France
28,333
33
Italy
22,033
17
India
21,187
84
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 | 500 ms | 1800 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.
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 |
|---|---|
| mdsmobile.ae | Feb 2026 |
| watchkompany.com | Dec 2025 |