HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Server | nginx-reuseport/1.21.1 |
| Date | Sun, 29 Sep 2024 00:52:00 GMT |
| Content-Type | text/html; charset=utf-8 |
| Transfer-Encoding | chunked |
| Connection | keep-alive |
| Keep-Alive | timeout=30 |
| Vary | Accept-Encoding |
| X-Powered-By | PHP/7.4.33 |
| Vary | Accept-Encoding |