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

HTTP/1.0 200 OK
Date: Wed, 16 Apr 2025 18:25:32 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-oS6Bqv2o_CfK78JVLlSTqQ' '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=AVcja2cU5CL5rHdkS57zSGQl6TAdwBwZIG0SO5NMGHuUE6mSoAbH4tSd2w; expires=Mon, 13-Oct-2025 18:25:32 GMT; path=/; domain=.google.com; Secure; HttpOnly; SameSite=lax
Accept-Ranges: none
Vary: Accept-Encoding