Darwin vs UNIX
Head-to-head usage across the sites we track.
Top sites by authority
Darwin · UNIX · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
18
Open Page Rank 8+
3
231
Open Page Rank 7+
3
591
Open Page Rank 6+
3
944
Open Page Rank 5+
3
1,378
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Darwin · UNIX · share of sites in each country using one or the other
Germany
11
42,794
United States
19
10,735
Japan
18
5,244
Netherlands
9
5,094
South Korea
11
4,959
India
12
4,868
Spain
12
4,046
United Kingdom
12
3,746
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Darwin | UNIX |
|---|---|---|
| LCP | 1.2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 400 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.