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+
31
0
Open Page Rank 8+
400
0
Open Page Rank 7+
1,147
0
Open Page Rank 6+
1,808
2
Open Page Rank 5+
2,607
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
28,637
65
Canada
7,019
56
India
5,573
46
United Kingdom
5,243
54
Australia
4,573
41
France
4,064
43
Germany
3,936
41
Spain
3,659
45
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Optimizely | Qubit |
|---|---|---|
| LCP | 2 s | 2.3 s |
| INP | 100 ms | 175 ms |
| CLS | 0.05 | 0.05 |
| TTFB | 800 ms | 900 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.