Instatus vs Sentry
Head-to-head usage across the sites we track.
Top sites by authority
Instatus · Sentry · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
5
136
Open Page Rank 8+
14
2,050
Open Page Rank 7+
37
7,315
Open Page Rank 6+
65
13,313
Open Page Rank 5+
100
21,753
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Instatus · Sentry · share of sites in each country using one or the other
United States
326
359,106
United Kingdom
223
105,998
India
268
86,387
Canada
180
84,660
Germany
207
77,287
France
187
75,293
Brazil
177
74,887
Japan
123
58,513
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Instatus | Sentry |
|---|---|---|
| LCP | 2 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Instatus to Sentry
| Domain | When |
|---|---|
| watermelon.ai | Jan 2026 |