Apple iCloud Mail vs Open-Xchange App Suite
Head-to-head usage across the sites we track.
Top sites by authority
Apple iCloud Mail · Open-Xchange App Suite · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
126
0
Open Page Rank 8+
2,135
3
Open Page Rank 7+
9,283
3
Open Page Rank 6+
17,844
5
Open Page Rank 5+
30,151
8
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apple iCloud Mail · Open-Xchange App Suite · share of sites in each country using one or the other
United States
129,767
27
United Kingdom
50,050
18
Germany
46,068
34
India
42,601
17
Canada
36,709
17
France
29,018
17
Australia
26,471
9
Netherlands
23,412
16
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apple iCloud Mail | Open-Xchange App Suite |
|---|---|---|
| LCP | 1.7 s | 1.7 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 550 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.
All Apple iCloud Mail sites · All Open-Xchange App Suite sites