Microsoft 365 vs SquirrelMail
Head-to-head usage across the sites we track.
Top sites by authority
Microsoft 365 · SquirrelMail · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
64
0
Open Page Rank 8+
1,815
1
Open Page Rank 7+
10,501
4
Open Page Rank 6+
24,517
5
Open Page Rank 5+
49,547
6
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Microsoft 365 · SquirrelMail · share of sites in each country using one or the other
United States
463,081
27
United Kingdom
167,042
16
Germany
135,802
24
Canada
108,907
14
India
102,571
39
Netherlands
97,414
12
Australia
93,854
7
France
89,127
15
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Microsoft 365 | SquirrelMail |
|---|---|---|
| LCP | 1.8 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.