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

HTTP/1.0 200 OK
Content-Type: text/html; charset=ISO-8859-1
Date: Sat, 06 Jun 2026 05:38:01 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Security-Policy-Report-Only: object-src 'none';base-uri 'self';script-src 'nonce-BlfSoWEvtWU0hqo-xy40SA' '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=AaJma5tCBuk-AbyVdmq0UQ7Gtx1QMBjLwGRGJN7RAcj5Y-KdJxLESzSgGP4; expires=Thu, 03-Dec-2026 05:38:01 GMT; path=/; domain=.google.com; Secure; HttpOnly; SameSite=lax
Accept-Ranges: none
Vary: Accept-Encoding