Stack census— back to the censusSurvey 016 · 07.10.2026

Transactional email · indie

Resend

resend.com · HTTP 200 in 2,922 ms

9 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/immutable/chunks/26yaa-tw3zzt9.js
  • script — /_next/static/immutable/chunks/3wl01om4jt9mi.js
  • html — self.__next_f
Reactjavascript frameworks
  • implied — implied by Next.js
Tailwind CSSui frameworks
  • css — stylesheet matches --tw-(?:rotate|translate|space-x|text-opacity|border-opacit…

Where it is served from

  • header — content-security-policy: default-src 'self'; connect-src 'self' data: https://api.liveblocks.io wss://api.liveb…
  • implied — implied by Amazon S3
Vercelpaas
  • header — server: Vercel
  • header — x-vercel-cache: HIT

Where their email goes

Google Workspacewebmail · email
  • dns — MX 10 alt3.aspmx.l.google.com
  • dns — MX 10 alt4.aspmx.l.google.com

What stands at the door

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

Everything else

Webpackmiscellaneous
  • implied — implied by Next.js

Back to the census.