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CNB版本
社区版
cnb.cool
国外版
cnb.build
2025/12/02

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A runtime service to return the metadata (hosting provider) about any given web site URL. Source code at 11ty/api-built-with on GitHub.

With support for:

  • Cloudflare
  • Vercel
  • GitHub Pages
  • Netlify
  • Gatsby
  • Fly.io
  • Amazon (S3, Cloudfront)

Usage

URLs must have the format:

https://builtwith.w3c.cool/:url/image/host/
  • url must be URI encoded.

Or json:

https://builtwith.w3c.cool/:url/json/

Samples

See the “Host” column on Speedlify (Static Site Generators)

  • Eleventy Base Blog is hosted on GitHub Pages
  • vercel.com is hosted on Vercel
  • netlify.com is hosted on Netlify

其他页面在 Runtime APIs