HTTPヘッダ情報チェック
| HTTP/1.1 301 Moved Permanently | |
| Connection | Keep-Alive |
| Keep-Alive | timeout=5, max=100 |
| content-type | text/html |
| content-length | 707 |
| date | Sat, 20 Apr 2024 09:20:07 GMT |
| server | LiteSpeed |
| location | https://codey.live/product/psn-plus-deluxe-12-month/ |
| strict-transport-security | max-age=63072000; includeSubDomains; preload |
| content-security-policy | upgrade-insecure-requests |