8 technologies6 categories1 AI tools
protonmail.com is built on Astro with ProtonMail and Tailwind CSS. It ranks #10,630 globally.
The frontend relies on Tailwind CSS. 1 AI tool is detected, including AI Assistant.
Tech Stack Highlights
AI Technologies1
A
AI Assistant
LLM Providers
75%
1 evidence signal
Text
AI assistantCore Platform1
Astro
Static site generators
75%
1 evidence signal
JS Global
Astro → objectFrameworks & Languages3
Tailwind CSS
UI frameworks
75%
1 evidence signal
css
--tw-Headless UI
UI frameworks
75%
1 evidence signal
HTML
data-headlessui-React
JavaScript frameworks
50%
1 evidence signal
HTML
implied by Headless UIAnalytics & Marketing1
P
ProtonMail
Email
100%
1 evidence signal
dns
MX: mail.protonmail.chInfrastructure & Security1
HSTS
Security
75%
1 evidence signal
Header
max-age=31536000; includeSubDomains; preloadLibraries & Utilities1
PayPal
Payment processors
75%
1 evidence signal
Header
\.paypal\.com: default-src 'self'; media-src https://static.zdassets.com https://res.cloudinary.com https://pmecdn.protonweb.com; connect-src 'self' wss: https://protonmail.zendesk.com https://ekr.zdassets.com blob: https://account.proton.me https://reports.proton.me https://telemetry.proton.me https://*.algolia.net https://*.algolianet.com https://go.getproton.me https://noembed.com https://boards-api.greenhouse.io https://proton.me https://*.paypal.com https://*.paypalobjects.com; script-src 'self' blob: 'unsafe-eval' 'unsafe-inline' https://static.zdassets.com https://pmecdn.protonweb.com https://www.youtube.com https://platform.twitter.com https://*.paypal.com https://*.paypalobjects.com; style-src 'self' 'unsafe-inline' https://pmecdn.protonweb.com https://*.paypal.com https://*.paypalobjects.com; font-src 'self' https://pmecdn.protonweb.com; img-src 'self' data: blob: https:; frame-src 'self' data: blob: https://www.youtube-nocookie.com https://platform.twitter.com https://*.paypal.com https://*.paypalobjects.com; object-src 'self' data: blob:; child-src 'self' data: blob: https://*.paypal.com https://*.paypalobjects.com; report-uri https://reports.proton.me/reports/csp; frame-ancestors 'self' https://*.proton.me;