Juo vs Optimizely
Head-to-head usage across the sites we track.
Top sites by authority
Juo · Optimizely · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
32
Open Page Rank 8+
0
398
Open Page Rank 7+
0
1,140
Open Page Rank 6+
0
1,815
Open Page Rank 5+
0
2,633
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Juo · Optimizely · share of sites in each country using one or the other
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Juo | Optimizely |
|---|---|---|
| LCP | 1.8 s | 1.9 s |
| INP | 162 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 600 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.