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HDR

HTTP Header Checker

查看响应状态与头信息。

Enter a value and run.

This tool is not browser-only: your input is sent through toco.tools servers. Private/local destinations are blocked. Results are not stored.

关于HTTP Header Checker

Response headers help verify caching, security, and redirects. toco.tools fetches only public http(s) URLs and blocks localhost/private ranges.

使用方法

  1. Enter a URL
  2. Fetch headers
  3. Review status and headers

常见问题

Can I check internal URLs?

No. Private destinations are blocked.