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+
11
1
Open Page Rank 8+
268
3
Open Page Rank 7+
862
3
Open Page Rank 6+
1,457
3
Open Page Rank 5+
2,310
3
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
13,364
18
United States
12,631
18
India
7,375
13
South Korea
6,485
12
Italy
6,135
14
United Kingdom
5,698
12
Germany
5,581
10
Brazil
5,311
12
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, 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.