BookThatApp vs Vitals
Head-to-head usage across the sites we track.
Top sites by authority
BookThatApp · Vitals · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
1
Open Page Rank 8+
3
4
Open Page Rank 7+
4
8
Open Page Rank 6+
17
12
Open Page Rank 5+
30
33
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
BookThatApp · Vitals · share of sites in each country using one or the other
United States
885
3,310
United Kingdom
298
1,382
India
115
1,273
Canada
325
993
Australia
233
956
Germany
136
992
France
114
905
Italy
76
674
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | BookThatApp | Vitals |
|---|---|---|
| LCP | 1.3 s | 1.6 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 500 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.
BookThatApp to Vitals
| Domain | When |
|---|---|
| museumofmini.com | Dec 2025 |