HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Server | nginx-reuseport/1.21.1 |
| Date | Fri, 22 Nov 2024 05:01:52 GMT |
| Content-Type | text/html |
| Content-Length | 20746 |
| Connection | keep-alive |
| Keep-Alive | timeout=30 |
| Vary | Accept-Encoding |
| Last-Modified | Wed, 18 Sep 2024 10:57:49 GMT |
| ETag | "510a-62262ad4decf0" |
| Accept-Ranges | bytes |