Cloudflare Browser Insights vs IBM Coremetrics
Head-to-head usage across the sites we track.
Top sites by authority
Cloudflare Browser Insights · IBM Coremetrics · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
74
0
Open Page Rank 8+
1,363
0
Open Page Rank 7+
6,859
1
Open Page Rank 6+
15,279
2
Open Page Rank 5+
30,040
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Cloudflare Browser Insights · IBM Coremetrics · share of sites in each country using one or the other
United States
356,639
21
India
185,990
13
Brazil
167,096
10
Indonesia
162,375
9
United Kingdom
139,708
12
Germany
103,876
10
Canada
103,033
13
France
97,867
10
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Browser Insights | IBM Coremetrics |
|---|---|---|
| LCP | 2.1 s | 2.4 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.
All Cloudflare Browser Insights sites · All IBM Coremetrics sites