http:// => 从网页http://www.google.com取得的HTTP头条：

HTTP/1.0 200 OK
Date: Wed, 29 Oct 2025 08:41:00 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=ISO-8859-1
Content-Security-Policy-Report-Only: object-src 'none';base-uri 'self';script-src 'nonce-_R7EVsd1fZkvFEASAGdUJw' 'strict-dynamic' 'report-sample' 'unsafe-eval' 'unsafe-inline' https: http:;report-uri https://csp.withgoogle.com/csp/gws/other-hp
Server: gws
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
Set-Cookie: AEC=AaJma5uSM7k8cLspukfvtWbNH6zBwAcHIUVlmo3e0H28u3Cjn0TlLIS6Fg; expires=Mon, 27-Apr-2026 08:41:00 GMT; path=/; domain=.google.com; Secure; HttpOnly; SameSite=lax
Accept-Ranges: none
Vary: Accept-Encoding