Stack census— back to the censusSurvey 016 · 07.10.2026

Automation · open source · awesome-selfhosted

Leon

getleon.ai · HTTP 200 in 2,900 ms

5 things were found in the response on 07.10.2026. This is the front door only: whatever runs behind a login, and anything a browser would have to execute to reveal, is not here.

What the page is built with

Next.jsjavascript frameworks · web frameworks · web servers · static site generator
  • header — x-powered-by: Next.js
  • script — /_next/static/chunks/polyfills-c67a75d1b6f99dc8.js
  • script — /_next/static/chunks/webpack-ee7e63bc15b31913.js
  • html — <script id="__NEXT_DATA__"
Reactjavascript frameworks
  • html — <div id="__next" data-react

Where it is served from

Vercelpaas
  • header — server: Vercel
  • header — x-vercel-cache: HIT

What stands at the door

HSTSsecurity
  • header — strict-transport-security: max-age=63072000

Everything else

Webpackmiscellaneous
  • implied — implied by Next.js

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