Sentry vs UptimeRobot
Head-to-head usage across the sites we track.
Top sites by authority
Sentry · UptimeRobot · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
138
4
Open Page Rank 8+
2,039
27
Open Page Rank 7+
7,192
65
Open Page Rank 6+
13,145
98
Open Page Rank 5+
21,557
124
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sentry · UptimeRobot · share of sites in each country using one or the other
United States
316,827
499
United Kingdom
94,693
294
India
77,149
344
Canada
74,305
245
Brazil
72,498
282
Germany
69,458
261
France
66,242
235
Japan
51,207
184
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sentry | UptimeRobot |
|---|---|---|
| LCP | 1.7 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Sentry to UptimeRobot
| Domain | When |
|---|---|
| jobind.id | Sep 2026 |
| vknnimhans.in | Jul 2026 |
| nimhanselearning.org | Jun 2026 |
| opendc.org | May 2026 |
| snowfire.ai | Oct 2025 |