Rebuy vs RichRelevance
Head-to-head usage across the sites we track.
Top sites by authority
Rebuy · RichRelevance · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
0
Open Page Rank 8+
7
2
Open Page Rank 7+
33
13
Open Page Rank 6+
100
19
Open Page Rank 5+
299
33
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Rebuy · RichRelevance · share of sites in each country using one or the other
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Rebuy | RichRelevance |
|---|---|---|
| LCP | 1.6 s | 2.1 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 900 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.