IIS vs OpenBSD httpd
Head-to-head usage across the sites we track.
Top sites by authority
IIS · OpenBSD httpd · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
53
1
Open Page Rank 8+
1,275
4
Open Page Rank 7+
5,011
9
Open Page Rank 6+
9,561
14
Open Page Rank 5+
15,981
21
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
IIS · OpenBSD httpd · share of sites in each country using one or the other
United States
121,069
43
India
60,068
16
United Kingdom
43,214
14
Italy
39,691
9
Brazil
35,276
11
Germany
31,791
13
Canada
31,780
9
Türkiye
31,323
6
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IIS | OpenBSD httpd |
|---|---|---|
| LCP | 1.6 s | 1.3 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.