CentOS vs SunOS
Head-to-head usage across the sites we track.
Top sites by authority
CentOS · SunOS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
14
0
Open Page Rank 8+
309
0
Open Page Rank 7+
983
0
Open Page Rank 6+
1,657
0
Open Page Rank 5+
2,638
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CentOS · SunOS · share of sites in each country using one or the other
Japan
15,967
0
United States
14,716
1
India
8,682
1
South Korea
7,466
0
Italy
7,152
0
Germany
6,680
0
United Kingdom
6,517
0
Brazil
6,042
0
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CentOS | SunOS |
|---|---|---|
| LCP | 1.5 s | 1.9 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1000 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.