Piano vs Rebuy
Head-to-head usage across the sites we track.
Top sites by authority
Piano · Rebuy · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
12
1
Open Page Rank 8+
147
7
Open Page Rank 7+
514
33
Open Page Rank 6+
753
100
Open Page Rank 5+
968
299
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Piano · Rebuy · share of sites in each country using one or the other
United States
1,319
6,808
Canada
1,018
2,956
United Kingdom
1,231
2,577
India
800
1,980
Australia
865
1,774
Germany
979
1,263
France
873
1,094
Spain
921
851
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Piano | Rebuy |
|---|---|---|
| LCP | 1.7 s | 1.6 s |
| INP | 125 ms | 100 ms |
| CLS | 0.05 | 0 |
| TTFB | 600 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.