Blueknow vs Rebuy
Head-to-head usage across the sites we track.
Top sites by authority
Blueknow · Rebuy · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
2
7
Open Page Rank 7+
14
33
Open Page Rank 6+
20
100
Open Page Rank 5+
24
299
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Blueknow · Rebuy · share of sites in each country using one or the other
United States
46
6,808
Canada
28
2,956
United Kingdom
44
2,577
India
23
1,980
Australia
17
1,774
Germany
43
1,263
France
49
1,094
Mexico
40
941
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Blueknow | Rebuy |
|---|---|---|
| LCP | 2.1 s | 1.6 s |
| INP | 150 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.