HTTP Cache Testing

Free and safe files to test HTTP caching, compression, and de-duplication features.
You can use HTTP for direct download without a CDN, or HTTPS via CloudFront.

All zeroes, 128 kB

Easy to compress, small files

• HTTP / HTTPS / No Cache-Control header
• HTTP / HTTPS / Cache-Control public
• HTTP / HTTPS / Cache-Control public, max-age=60
• HTTP / HTTPS / Cache-Control public, max-age=3600
• HTTP / HTTPS / Cache-Control private
• HTTP / HTTPS / Cache-Control private, max-age=60
• HTTP / HTTPS / Cache-Control private, max-age=3600
• HTTP / HTTPS / Cache-Control no-cache
• HTTP / HTTPS / Cache-Control no-cache, max-age=60
• HTTP / HTTPS / Cache-Control no-cache, max-age=3600
• HTTP / HTTPS / Cache-Control no-store

Random data, 128 kB

Difficult to compress, small files

• HTTP / HTTPS / No Cache-Control header
• HTTP / HTTPS / Cache-Control public
• HTTP / HTTPS / Cache-Control public, max-age=60
• HTTP / HTTPS / Cache-Control public, max-age=3600
• HTTP / HTTPS / Cache-Control private
• HTTP / HTTPS / Cache-Control private, max-age=60
• HTTP / HTTPS / Cache-Control private, max-age=3600
• HTTP / HTTPS / Cache-Control no-cache
• HTTP / HTTPS / Cache-Control no-cache, max-age=60
• HTTP / HTTPS / Cache-Control no-cache, max-age=3600
• HTTP / HTTPS / Cache-Control no-store

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