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+
145
7
Open Page Rank 7+
495
33
Open Page Rank 6+
732
99
Open Page Rank 5+
952
293
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
1,465
7,503
Canada
1,089
3,239
United Kingdom
1,344
2,815
India
882
2,134
Australia
926
1,972
Germany
1,065
1,346
France
969
1,222
Spain
1,030
869
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Piano | Rebuy |
|---|---|---|
| LCP | 1.7 s | 1.7 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, 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.