HTTP 响应头查看器
查看任何网站的 HTTP 响应头。分析安全头和服务器資訊。
輸入 URL
功能介紹
The HTTP Headers Viewer tool shows response headers for a URL so you can inspect caching, security, and server information. It is useful for debugging deployments and checking best practices.
什麼時候用這個工具？
Use this tool whenever you want to inspect headers: verifying redirects, checking CORS, reviewing security headers, or analyzing CDN behavior.
使用步驟
1
Enter a URL
Paste the full URL of the page or endpoint whose headers you want to inspect.
2
Fetch response headers
Request the URL and view the returned HTTP status and header fields.
3
Analyze header values
Review caching, security, and content‑type headers to confirm they match your expectations.
使用範例
Checking HSTS and CSP
Confirm that HTTP Strict‑Transport‑Security and Content‑Security‑Policy headers are present and correctly configured after a deployment.