Sentry vs Trac
Head-to-head usage across the sites we track.
Top sites by authority
Sentry · Trac · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
139
1
Open Page Rank 8+
2,047
7
Open Page Rank 7+
7,280
12
Open Page Rank 6+
13,311
14
Open Page Rank 5+
21,772
14
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sentry · Trac · share of sites in each country using one or the other
United States
316,827
43
United Kingdom
94,693
32
India
77,149
40
Canada
74,305
31
Brazil
72,498
32
Germany
69,458
32
France
66,242
31
Japan
51,207
29
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sentry | Trac |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 600 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.