CentOS vs UniFi OS
Head-to-head usage across the sites we track.
Top sites by authority
CentOS · UniFi OS · 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+
290
0
Open Page Rank 7+
928
0
Open Page Rank 6+
1,577
0
Open Page Rank 5+
2,502
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 · UniFi OS · share of sites in each country using one or the other
Japan
13,559
0
United States
12,731
1
India
7,525
0
South Korea
6,436
0
Italy
5,915
0
United Kingdom
5,735
1
Germany
5,653
1
Brazil
5,371
1
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CentOS | UniFi OS |
|---|---|---|
| LCP | 1.6 s | 1.8 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 900 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.