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anthropic.com

https://www.anthropic.com

B80
Performance 60Accessibility 93SEO 92Best Practices 100

17 technologies detected · Last audited Apr 7, 2026

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Technology stack

Analytics

Intellimize

Cdn

Amazon S3 Cloudflare

Cms

Sanity Sanity.io Webflow

Frontend

Bulma Cloudflare Bot Management GSAP HSTS HTTP/3 LottieFiles Open Graph Tailwind CSS Webpack jQuery

Hosting

Amazon Web Services

Frequently asked questions about anthropic.com

What technology does anthropic.com use?

anthropic.com is built with Sanity, Sanity.io, Webflow, Bulma, and Cloudflare Bot Management.

Is anthropic.com fast?

Somewhat — anthropic.com scores 60/100 on Lighthouse mobile performance, below the median audited site.

Is anthropic.com accessible?

Yes — anthropic.com scores 93/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does anthropic.com use?

anthropic.com runs on Sanity.

Where is anthropic.com hosted?

anthropic.com is hosted on Amazon Web Services.

Does anthropic.com use HTTPS?

Yes — anthropic.com serves traffic over HTTPS.

1 audits

Apr 7, 2026 20:03 UTC Latest

/

Worker: worker-madrid-spain-01

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Scores

Performance 60Accessibility 93Best Practices 100SEO 92PWA 0

Timing

LCP: 7.96 sFirst Contentful Paint: 6.33 sTTFB: 113 msTotal Time: 123 msCumulative Layout Shift: 0.000

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