ChurnZero vs Insider
Head-to-head usage across the sites we track.
Top sites by authority
ChurnZero · Insider · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
10
Open Page Rank 8+
3
50
Open Page Rank 7+
10
135
Open Page Rank 6+
23
250
Open Page Rank 5+
27
443
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ChurnZero · Insider · share of sites in each country using one or the other
Indonesia
23
3,338
United States
157
1,478
India
65
1,011
United Kingdom
56
947
Germany
29
951
Brazil
33
897
France
32
802
Canada
64
754
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChurnZero | Insider |
|---|---|---|
| LCP | 2.1 s | 2.5 s |
| INP | 75 ms | 200 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.