RapidSpike vs Sentry
Head-to-head usage across the sites we track.
Top sites by authority
RapidSpike · Sentry · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
136
Open Page Rank 8+
0
2,050
Open Page Rank 7+
3
7,315
Open Page Rank 6+
3
13,313
Open Page Rank 5+
5
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
RapidSpike · Sentry · share of sites in each country using one or the other
United States
32
359,106
United Kingdom
44
105,998
India
18
86,387
Canada
20
84,660
Germany
18
77,287
France
13
75,293
Brazil
11
74,887
Japan
10
58,513
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RapidSpike | Sentry |
|---|---|---|
| LCP | 1.6 s | 1.6 s |
| INP | 100 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.