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+
142
7
Open Page Rank 7+
510
32
Open Page Rank 6+
746
97
Open Page Rank 5+
958
295
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
1,348
6,764
Canada
1,014
2,858
United Kingdom
1,221
2,511
India
807
1,920
Australia
868
1,714
Germany
964
1,207
France
866
1,035
Spain
957
834
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, 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.