Google Optimize vs Karte
Head-to-head usage across the sites we track.
Top sites by authority
Google Optimize · Karte · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
18
2
Open Page Rank 8+
130
36
Open Page Rank 7+
409
106
Open Page Rank 6+
723
183
Open Page Rank 5+
1,146
259
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Google Optimize · Karte · share of sites in each country using one or the other
United States
22,776
208
India
13,736
117
United Kingdom
12,439
92
Canada
11,536
99
Germany
10,140
85
France
9,450
93
Brazil
8,989
59
Japan
7,925
869
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Optimize | Karte |
|---|---|---|
| LCP | 2.1 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.