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+
1,341
0
Open Page Rank 7+
6,786
1
Open Page Rank 6+
15,099
2
Open Page Rank 5+
29,808
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
382,567
21
India
200,487
17
Brazil
176,969
10
Indonesia
173,937
11
United Kingdom
152,644
13
Canada
115,246
16
Germany
112,728
10
France
111,509
12
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 | 900 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.
All Cloudflare Browser Insights sites · All IBM Coremetrics sites