protonURL

Secure and confidential sharing

✅ Trust & Security

At protonURL.ch, we take security, performance, sustainability and accessibility seriously. Here’s a summary of the key standards we follow to provide a clean, fast and trustworthy web experience.

🔐 Security

SecurityHeaders.com: Rated A+ thanks to strict HTTP header configuration:

  • Strict-Transport-Security
  • Content-Security-Policy
  • X-Content-Type-Options
  • X-Frame-Options
  • Referrer-Policy
  • Permissions-Policy

View our report


Mozilla Observatory: Rated A+ thanks to strict HTTP header configuration:

  • Strict-Transport-Security
  • Content-Security-Policy
  • X-Content-Type-Options
  • X-Frame-Options
  • Referrer-Policy
  • Permissions-Policy

View our report


ImmuniWeb: Rated A thanks to version TLS 1.3 of TLS protocol

View our report

⚡ Performance

Google PageSpeed Insights:

  • Mobile: 97+
  • Desktop: 100

See detailed results

🌱 Sustainability

WebsiteCarbon.com: Rated A+

  • Less than 0.2g CO₂ per page view

View our profile

♿ Accessibility

Lighthouse Accessibility Audit: Scored over 100

  • Color contrast meets WCAG standards
  • Keyboard navigation supported
  • Clear labels and focus order
  • Fully responsive and mobile accessible
  • Supports light and dark mode based on user preferences

🔁 Additional Standards

  • GDPR compliant: French hosting, no tracking, technical cookies only
  • HTTPS enforced: TLS 1.3 with A+ SSL grade
  • Technical best practices: UTF-8 encoding, Brotli compression, server-side caching, minification
  • SEO ready: XML sitemap, meta tags, `alt` attributes, `og:` and `twitter:` tags