Optimizely vs Qubit
Head-to-head usage across the sites we track.
Top sites by authority
Optimizely · Qubit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
32
0
Open Page Rank 8+
398
0
Open Page Rank 7+
1,140
0
Open Page Rank 6+
1,815
2
Open Page Rank 5+
2,633
3
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Optimizely · Qubit · share of sites in each country using one or the other
United States
25,713
50
Canada
6,439
37
India
5,059
39
United Kingdom
4,863
46
Australia
4,155
31
Germany
3,558
32
France
3,449
30
Spain
3,393
35
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Optimizely | Qubit |
|---|---|---|
| LCP | 1.9 s | 2.1 s |
| INP | 100 ms | 175 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 800 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.