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proton.me

https://www.proton.me

B81
Performance 64Accessibility 96SEO 100Best Practices 96

3 technologies detected · Last audited Apr 7, 2026

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Technology stack

Frontend

Astro Open Graph Tailwind CSS

Frequently asked questions about proton.me

What technology does proton.me use?

proton.me is built with Astro, Open Graph, and Tailwind CSS.

Is proton.me fast?

Somewhat — proton.me scores 64/100 on Lighthouse mobile performance, below the median audited site.

Is proton.me accessible?

Yes — proton.me scores 96/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does proton.me use?

No CMS fingerprint was detected on proton.me — it may use a static site generator or a custom application.

Where is proton.me hosted?

Hosting provider for proton.me could not be determined from the most recent audit.

Does proton.me use HTTPS?

Yes — proton.me serves traffic over HTTPS.

1 audits

Apr 7, 2026 20:14 UTC Latest

/

Worker: worker-madrid-spain-05

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Scores

Performance 64Accessibility 96Best Practices 96SEO 100PWA 0

Timing

LCP: 7.64 sFirst Contentful Paint: 3.08 sTTFB: 173 msTotal Time: 174 msCumulative Layout Shift: 0.000

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