Stack census— back to the censusSurvey 015 · 06.10.2026

Build and software organization tools · open source · awesome-sysadmin

Spack

spack.io · HTTP 200 in 500 ms

6 things were found in the response on 06.10.2026. 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

Jekyllstatic site generator
  • html — Powered by <a href="https://jekyllrb.com" rel="nofollow">Jekyll</
Rubyprogramming languages
  • implied — implied by Jekyll

Where it is served from

Fastlycdn
  • header — x-fastly-request-id: f8ab95428efccfc097f1816706d053a1e18640c3
GitHub Pagespaas
  • header — server: GitHub.com
  • header — x-github-request-id: 3270:291769:91313A:9261D6:6AC40B46

What stands at the door

HSTSsecurity
  • header — strict-transport-security: max-age=31556952

Everything else

Varnishcaching
  • header — via: 1.1 varnish

Back to the census.