Apple iCloud Mail vs Proton Mail

Head-to-head usage across the sites we track.

Top sites by authority

Apple iCloud Mail · Proton Mail · how many of each technology's sites sit in the web's highest authority tiers

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 · Proton Mail · share of sites in each country using one or the other

United States 122,210

5,830

United Kingdom 43,864

2,125

Germany 41,637

1,938

India 39,000

1,985

Canada 33,110

1,752

France 24,224

1,914

Australia 24,281

1,202

Netherlands 20,791

1,445

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

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.

All Apple iCloud Mail sites · All Proton Mail sites