IIS vs Starlet
Head-to-head usage across the sites we track.
Top sites by authority
IIS · Starlet · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
61
0
Open Page Rank 8+
1,315
2
Open Page Rank 7+
5,213
6
Open Page Rank 6+
9,906
19
Open Page Rank 5+
16,556
34
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
IIS · Starlet · share of sites in each country using one or the other
United States
136,825
44
India
68,343
36
United Kingdom
49,161
25
Italy
46,831
30
Brazil
38,951
13
Türkiye
36,724
17
Canada
36,284
13
Germany
36,200
48
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IIS | Starlet |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0.15 |
| TTFB | 700 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.