Qstomizer vs Rebuy
Head-to-head usage across the sites we track.
Top sites by authority
Qstomizer · Rebuy · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
1
Open Page Rank 8+
1
7
Open Page Rank 7+
1
33
Open Page Rank 6+
2
99
Open Page Rank 5+
3
293
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Qstomizer · Rebuy · share of sites in each country using one or the other
United States
56
7,503
Canada
16
3,239
United Kingdom
20
2,815
India
7
2,134
Australia
5
1,972
Germany
11
1,346
France
5
1,222
Mexico
4
963
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Qstomizer | Rebuy |
|---|---|---|
| LCP | 1.3 s | 1.7 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.