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+
15
2
Open Page Rank 8+
112
29
Open Page Rank 7+
356
99
Open Page Rank 6+
620
175
Open Page Rank 5+
982
256
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
19,616
188
India
11,660
103
United Kingdom
10,689
86
Canada
9,812
87
Germany
8,571
69
Brazil
7,844
59
France
7,579
76
Spain
7,482
62
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Optimize | Karte |
|---|---|---|
| LCP | 2 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, 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.