概要
The server cannot find the requested resource. The most well-known status code.
いつ発生するか
Returned for broken links, deleted pages, or mistyped URLs; may also hide 403 for privacy.
よくある原因
- Wrong URL or a typo in the path
- The resource was deleted or moved
- Broken internal or external link
- Routing / rewrite misconfiguration
解決方法
- Verify the exact URL and spelling
- Check routing and rewrite rules
- Restore the resource or add a 301 redirect
- Watch for case-sensitivity in paths