Bookly vs Sirvoy
Head-to-head usage across the sites we track.
Top sites by authority
Bookly · Sirvoy · 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+
25
1
Open Page Rank 7+
46
1
Open Page Rank 6+
73
1
Open Page Rank 5+
95
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bookly · Sirvoy · share of sites in each country using one or the other
United States
1,179
25
Spain
935
7
Germany
835
23
France
825
10
Italy
828
3
United Kingdom
694
3
Netherlands
670
7
India
403
5
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bookly | Sirvoy |
|---|---|---|
| LCP | 2.6 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1500 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.