Technology · Webmail
detected by AwesomeTechStack audits
About Proton Mail
Proton Mail is the world’s largest secure email service with over 70 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
How we audit Proton Mail
We measure the detected version against Proton Mail's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksAudit any site that runs Proton Mail.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
