CentOS vs Darwin
Head-to-head usage across the sites we track.
Top sites by authority
CentOS · Darwin · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
14
1
Open Page Rank 8+
309
4
Open Page Rank 7+
983
4
Open Page Rank 6+
1,657
4
Open Page Rank 5+
2,638
4
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CentOS · Darwin · share of sites in each country using one or the other
Japan
15,967
20
United States
14,716
22
India
8,682
15
South Korea
7,466
13
Italy
7,152
19
Germany
6,680
12
United Kingdom
6,517
12
Brazil
6,042
14
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CentOS | Darwin |
|---|---|---|
| LCP | 1.5 s | 1.2 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 400 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.