HTTPヘッダ情報チェック
| HTTP/1.1 301 Moved Permanently | |
| Server | nginx-reuseport/1.21.1 |
| Date | Thu, 18 Dec 2025 16:32:20 GMT |
| Content-Type | text/html; charset=iso-8859-1 |
| Content-Length | 316 |
| Connection | keep-alive |
| Keep-Alive | timeout=30 |
| Location | https://kursy-seo-msk-8.ru |