Acuity Scheduling vs Sirvoy
Head-to-head usage across the sites we track.
Top sites by authority
Acuity Scheduling · Sirvoy · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
1
Open Page Rank 8+
19
1
Open Page Rank 7+
30
1
Open Page Rank 6+
38
1
Open Page Rank 5+
51
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Acuity Scheduling · Sirvoy · share of sites in each country using one or the other
United States
2,287
25
United Kingdom
599
3
Canada
441
8
Australia
353
5
India
201
5
Sweden
42
137
Germany
149
23
France
154
10
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Acuity Scheduling | Sirvoy |
|---|---|---|
| LCP | 1.6 s | 1.7 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 600 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.