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
303
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
45
6,764
Canada
28
2,858
United Kingdom
42
2,511
India
26
1,920
Australia
17
1,714
Germany
47
1,207
France
49
1,035
Mexico
43
914
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Blueknow | Rebuy |
|---|---|---|
| LCP | 2.2 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, 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.