IIS vs lighttpd
Head-to-head usage across the sites we track.
Top sites by authority
IIS · lighttpd · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
53
2
Open Page Rank 8+
1,275
21
Open Page Rank 7+
5,011
56
Open Page Rank 6+
9,561
87
Open Page Rank 5+
15,981
125
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
IIS · lighttpd · share of sites in each country using one or the other
United States
121,069
520
India
60,068
294
United Kingdom
43,214
313
Italy
39,691
227
Brazil
35,276
225
Germany
31,791
342
Canada
31,780
231
Türkiye
31,323
161
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IIS | lighttpd |
|---|---|---|
| LCP | 1.6 s | 1.5 s |
| INP | 75 ms | 75 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.