Tellstack

What anthropic.com is built with

Read on 2026-10-28 12:22. 15 technologies spotted.

TechnologyCategoryVersionConfidenceTell
Amazon S3CDN100%headers content-security-policy: -forms-static-embed.s3.amazonaws.com https://cdnjs.cloudflare.com https://ww
Amazon Web ServicesPaaS100%implied Amazon S3
CloudflareCDN100%headers server: cloudflare
Cloudflare DNSHosting100%dns NS: isla.ns.cloudflare.com
Google CloudIaaS100%implied Google Cloud CDN
Google Cloud CDNCDN100%headers via: 1.1 google
Google WorkspaceWebmail, Email100%dns MX: alt4.aspmx.l.google.com
HSTSSecurity100%headers strict-transport-security: max-age=3600
HTTP/3Miscellaneous100%headers alt-svc: h3=":443"; ma=86400
Let's EncryptSSL/TLS certificate authorities100%certIssuer: Let's Encrypt, YE1
Open GraphMiscellaneous100%dom meta[property*='og:']: <meta property="og:title" content="Home">
Priority HintsPerformance100%dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/431bw722fec3m.js">
SanityCMS100%headers content-security-policy: self' data: https://cdn.sanity.io https://assets.claude.com https://www-c
Sanity.ioCMS100%headers content-security-policy: self' data: https://cdn.sanity.io https://assets.claude.com https://www-c
Snowplow AnalyticsAnalytics, IaaS50%scriptSrc: c/chunks/3xh0h5q5up2sp.js

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