Stack census— back to the censusSurvey 015 · 06.10.2026
Learning and Courses · open source · awesome-selfhosted
edX
edx.org · answered as www.edx.org · HTTP 200 in 10,156 ms
21 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
Next.jsjavascript frameworks · web frameworks · web servers · static site generator
- script — /_next/static/chunks/4bd1b696-8114277e1a0c5c1d.js
- script — /_next/static/chunks/31684-c747813ca79ce5e5.js
- html — self.__next_f
PHPprogramming languages
- implied — implied by WordPress
Radix UIui frameworks
- html — data-radix-collection-item
- css — stylesheet matches --radix-select-trigger-width
- css — stylesheet matches --radix-select-trigger-height
Reactjavascript frameworks
- implied — implied by Next.js
shadcn/uiui frameworks
- css — stylesheet matches --destructive-foreground
Tailwind CSSui frameworks
- css — stylesheet matches --tw-(?:rotate|translate|space-x|text-opacity|border-opacit…
Where it is served from
- header — via: 1.1 b99111dfd026a3c99d0e66063beb0544.cloudfront.net (CloudFront)
- header — x-amz-cf-id: GaYO1COuFHeEPWZDp-usHJlfBJzgY7HUJjP5oBLKFEDVsUoiWJ6E3g==
- implied — implied by Amazon CloudFront
Cloudflarecdn
- header — server: cloudflare
- header — cf-cache-status: HIT
Envoyreverse proxies
- header — x-envoy-upstream-service-time: 630
WP Enginepaas · hosting
- header — x-powered-by: WP Engine Headless Platform
Where their email goes
Google Workspacewebmail · email
- dns — MX 5 alt1.aspmx.l.google.com
- dns — MX 5 alt2.aspmx.l.google.com
What is watching the visitor
Google Tag Managertag managers
- html — googletagmanager.com/ns.html?id=GTM-543ZGMK2" height="0" width="0" style="display:none;vi…
How they answer customers
Segmentcustomer data platform
- script — inline script matches cdn\.segment\.com/analytics
Where the words and pictures live
Algoliasearch engines
- script — inline script matches algoliasearch
Contentfulcms
- html — images.ctfassets.net
WordPresscms · blogs
- implied — implied by WP Engine
What stands at the door
Cloudflare Bot Managementsecurity
- cookie — cookie __cf_bm
HSTSsecurity
- header — strict-transport-security: max-age=31536000