HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Server | nginx/1.18.0 |
| Date | Sat, 25 Mar 2023 14:28:25 GMT |
| Content-Type | text/html; charset=UTF-8 |
| Transfer-Encoding | chunked |
| Connection | keep-alive |
| Link | <https://kogda-vykhodit.com/wp-json/>; rel="https://api.w.org/" |
| Vary | Accept-Encoding |