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+
139
0
Open Page Rank 8+
2,047
0
Open Page Rank 7+
7,280
0
Open Page Rank 6+
13,311
0
Open Page Rank 5+
21,772
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
316,827
18
United Kingdom
94,693
13
India
77,149
13
Canada
74,305
11
Brazil
72,498
11
Germany
69,458
14
France
66,242
12
Japan
51,207
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 | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 500 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.