Proton Mail vs Sympa
Head-to-head usage across the sites we track.
Top sites by authority
Proton Mail · Sympa · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
0
Open Page Rank 8+
52
12
Open Page Rank 7+
214
17
Open Page Rank 6+
445
17
Open Page Rank 5+
777
18
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Proton Mail · Sympa · share of sites in each country using one or the other
United States
5,929
33
United Kingdom
2,191
24
India
2,032
28
France
1,962
35
Germany
1,966
25
Canada
1,813
24
Netherlands
1,488
26
Spain
1,398
28
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Proton Mail | Sympa |
|---|---|---|
| LCP | 1.7 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.