HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Date | Fri, 26 Apr 2024 03:21:53 GMT |
| Server | Apache/2.2.3 (CentOS) |
| Last-Modified | Wed, 17 Apr 2024 10:04:27 GMT |
| ETag | "10168f-2179-fad4c0c0" |
| Accept-Ranges | bytes |
| Content-Length | 8569 |
| Connection | close |
| Content-Type | text/html; charset=UTF-8 |