Dynamic Yield vs Optimizely
Head-to-head usage across the sites we track.
Top sites by authority
Dynamic Yield · Optimizely · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Dynamic Yield · Optimizely · share of sites in each country using one or the other
United States
894
28,637
Canada
606
7,019
India
690
5,573
United Kingdom
757
5,243
Australia
447
4,573
France
748
4,064
Germany
839
3,936
Spain
668
3,659
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Dynamic Yield | Optimizely |
|---|---|---|
| LCP | 2.1 s | 2 s |
| INP | 175 ms | 100 ms |
| CLS | 0.05 | 0.05 |
| TTFB | 800 ms | 800 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Optimizely to Dynamic Yield
| Domain | When |
|---|---|
| deporvillage.com | May 2026 |