IIS vs Zope
Head-to-head usage across the sites we track.
Top sites by authority
IIS · Zope · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
61
1
Open Page Rank 8+
1,315
27
Open Page Rank 7+
5,213
66
Open Page Rank 6+
9,906
84
Open Page Rank 5+
16,556
103
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
IIS · Zope · share of sites in each country using one or the other
United States
136,825
309
India
68,343
206
United Kingdom
49,161
182
Italy
46,831
315
Brazil
38,951
301
Türkiye
36,724
109
Germany
36,200
341
Canada
36,284
151
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IIS | Zope |
|---|---|---|
| LCP | 1.7 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.