CoverManager vs Resy
Head-to-head usage across the sites we track.
Top sites by authority
CoverManager · Resy · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
2
2
Open Page Rank 7+
4
3
Open Page Rank 6+
4
6
Open Page Rank 5+
4
17
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CoverManager · Resy · share of sites in each country using one or the other
United States
58
3,044
Spain
1,174
11
United Kingdom
73
85
Italy
105
14
Canada
13
97
France
58
16
Portugal
44
7
Mexico
35
14
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CoverManager | Resy |
|---|---|---|
| LCP | 2.3 s | 1.3 s |
| INP | 100 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 300 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.