ChurnZero vs Rudderstack
Head-to-head usage across the sites we track.
Top sites by authority
ChurnZero · Rudderstack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
4
Open Page Rank 8+
3
71
Open Page Rank 7+
9
282
Open Page Rank 6+
24
493
Open Page Rank 5+
27
765
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ChurnZero · Rudderstack · share of sites in each country using one or the other
United States
157
6,230
India
65
1,933
Canada
69
1,876
United Kingdom
57
1,846
Australia
37
1,242
Mexico
31
1,154
Spain
27
1,070
Germany
28
1,019
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChurnZero | Rudderstack |
|---|---|---|
| LCP | 2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.