Tellstack

What exercism.org is built with

Read on 2026-10-28 18:26. 14 technologies spotted.

TechnologyCategoryVersionConfidenceTell
Amazon SESEmail100%dns TXT: one.zoho.jp include:amazonses.com ~all
Amazon Web ServicesPaaS100%implied Amazon SES
CloudflareCDN100%headers server: cloudflare
Cloudflare Browser InsightsAnalytics, RUM100%scriptSrc: https://static.cloudflareinsights.com/beacon.min.js
Cloudflare DNSHosting100%dns NS: gabriel.ns.cloudflare.com
Google WorkspaceWebmail, Email100%dns MX: alt1.aspmx.l.google.com
GravatarMiscellaneous100%html: nt.com/u/346181" /> <img class="bg-backgroundColorA h-[32px] w-[32px] me-[-14px] mb-12 rounded-circle" src="https://secu
HSTSSecurity100%headers strict-transport-security: max-age=63072000; includeSubDomains
Open GraphMiscellaneous100%dom meta[property*='og:']: <meta content="Exercism" property="og:title">
PWAMiscellaneous100%dom link[rel='manifest']: <link crossorigin="use-credentials" href="/site.webmanifest" rel="manifest">
RSSMiscellaneous100%dom link[type*='application'] @type: application/rss+xml
ReactJavaScript frameworks100%html: 2F">Log in</a></div><div class="c-react-component c-react-wrapper-dropdowns-dropdown" data-react-id="dropdowns-dropdown"
RubyProgramming languages50%implied Ruby on Rails
Ruby on RailsWeb frameworks50%meta csrf-param: authenticity_token

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