Attentive vs Clerk.io
Head-to-head usage across the sites we track.
Top sites by authority
Attentive · Clerk.io · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
2
Open Page Rank 8+
39
2
Open Page Rank 7+
200
7
Open Page Rank 6+
444
12
Open Page Rank 5+
902
32
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Attentive · Clerk.io · share of sites in each country using one or the other
United States
7,507
266
Canada
3,912
103
United Kingdom
3,151
418
India
3,038
121
Australia
2,248
79
Germany
1,694
453
France
1,599
304
Mexico
1,757
51
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Attentive | Clerk.io |
|---|---|---|
| LCP | 1.7 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Clerk.io to Attentive
| Domain | When |
|---|---|
| soakandsleep.com | Sep 2025 |