Attentive vs Qstomizer
Head-to-head usage across the sites we track.
Top sites by authority
Attentive · Qstomizer · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
6
1
Open Page Rank 8+
39
1
Open Page Rank 7+
186
1
Open Page Rank 6+
425
2
Open Page Rank 5+
898
3
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Attentive · Qstomizer · share of sites in each country using one or the other
United States
8,587
56
Canada
4,559
16
United Kingdom
3,667
20
India
3,473
7
Australia
2,657
5
Germany
2,013
11
Mexico
2,009
4
France
2,003
5
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Attentive | Qstomizer |
|---|---|---|
| LCP | 1.8 s | 1.3 s |
| INP | 100 ms | 75 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.