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+
136
0
Open Page Rank 8+
2,050
0
Open Page Rank 7+
7,315
0
Open Page Rank 6+
13,313
0
Open Page Rank 5+
21,753
0
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
359,106
19
United Kingdom
105,998
12
India
86,387
15
Canada
84,660
10
Germany
77,287
16
France
75,293
12
Brazil
74,887
12
Japan
58,513
10
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sentry | Upptime |
|---|---|---|
| LCP | 1.6 s | 2.4 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 700 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.