Darwin vs Windows Server
Head-to-head usage across the sites we track.
Top sites by authority
Darwin · Windows Server · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
54
Open Page Rank 8+
3
1,294
Open Page Rank 7+
3
5,132
Open Page Rank 6+
3
9,814
Open Page Rank 5+
3
16,443
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Darwin · Windows Server · share of sites in each country using one or the other
United States
19
121,997
India
12
60,938
United Kingdom
12
43,541
Italy
14
40,345
Brazil
12
35,974
Germany
11
32,389
Canada
12
32,014
Türkiye
10
31,421
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Darwin | Windows Server |
|---|---|---|
| LCP | 1.2 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 700 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.