HTTPステータスコード主要一覧（63件、IANA 2025年確認）
IANA HTTP Status Code Registryを基に、Web開発で参照しやすい主要HTTPステータスコードを分類付きで整理したCSVです。
HTTPメソッド登録一覧（22件、IANA 2025年確認）
IANA HTTP Method Registryを基に、主要なHTTPメソッドとsafe/idempotent属性、用途を整理したCSVです。
更新履歴（1回）
- 2026-06-14T00:10:31+09:00 / 22行 / 重複回避バッチ生成
列表示ON/OFF
読み込み中...
| method | safe | idempotent | primary_use | reference |
|---|---|---|---|---|
| GET | yes | yes | resource retrieval | RFC9110 |
| HEAD | yes | yes | resource metadata retrieval | RFC9110 |
| POST | no | no | resource processing or subordinate creation | RFC9110 |
| PUT | no | yes | resource replacement | RFC9110 |
| DELETE | no | yes | resource deletion | RFC9110 |
| CONNECT | no | no | tunnel establishment | RFC9110 |
| OPTIONS | yes | yes | communication options | RFC9110 |
| TRACE | yes | yes | message loop-back test | RFC9110 |
| PATCH | no | no | partial resource modification | RFC5789 |
| ACL | no | yes | WebDAV access control | RFC3744 |
| COPY | no | yes | WebDAV resource copy | RFC4918 |
| LOCK | no | no | WebDAV locking | RFC4918 |
| MKCOL | no | yes | WebDAV collection creation | RFC4918 |
| MOVE | no | yes | WebDAV resource move | RFC4918 |
| PROPFIND | yes | yes | WebDAV property retrieval | RFC4918 |
| PROPPATCH | no | yes | WebDAV property update | RFC4918 |
| UNLOCK | no | yes | WebDAV lock removal | RFC4918 |
| SEARCH | yes | yes | WebDAV search | RFC5323 |
| REPORT | yes | yes | WebDAV report retrieval | RFC3253 |
| MERGE | no | yes | WebDAV version merge | RFC3253 |