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+
53
1
Open Page Rank 8+
1,275
25
Open Page Rank 7+
5,011
58
Open Page Rank 6+
9,561
76
Open Page Rank 5+
15,981
94
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
121,069
265
India
60,068
189
United Kingdom
43,214
168
Italy
39,691
271
Brazil
35,276
279
Germany
31,791
307
Canada
31,780
133
Türkiye
31,323
96
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IIS | Zope |
|---|---|---|
| LCP | 1.6 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, 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Zope to IIS
| Domain | When |
|---|---|
| burgerbib.ch | May 2026 |