Sentry vs Upptime
Head-to-head usage across the sites we track.
Top sites by authority
Sentry · Upptime · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
138
0
Open Page Rank 8+
2,041
1
Open Page Rank 7+
7,254
1
Open Page Rank 6+
13,210
1
Open Page Rank 5+
21,676
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sentry · Upptime · share of sites in each country using one or the other
United States
323,523
18
United Kingdom
95,135
14
India
78,278
15
Canada
75,350
12
Brazil
73,076
11
Germany
70,758
15
France
65,757
12
Japan
51,705
8
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sentry | Upptime |
|---|---|---|
| LCP | 1.7 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.