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
9
Open Page Rank 8+
3
50
Open Page Rank 7+
9
135
Open Page Rank 6+
24
245
Open Page Rank 5+
27
436
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
29
3,361
United States
157
1,504
India
65
1,005
United Kingdom
57
970
Germany
28
946
Brazil
30
915
Canada
69
759
France
29
780
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChurnZero | Insider |
|---|---|---|
| LCP | 2 s | 2.5 s |
| INP | 75 ms | 200 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.