HTTP 200 OK 成功狀態碼表明請求成功。200 回應預設上是緩存的（cacheable）。
所謂「成功」的定義，取決於 HTTP 的請求方法：
GET：資源已取得，並傳送到訊息內文（message body）。HEAD：整個標已經放在訊息內文了。POST: 描述動作結果的資源已經傳送到訊息內文。TRACE：訊息內文包含了請求訊息，伺服器也接受了請求。
PUT 或 DELETE 的成功訊息，通常不是 200 OK，而是 204 No Content（或著在資源首次上傳時，201 Created）。
狀態
200 OK
規範
| 規範 | 標題 |
|---|---|
| RFC 7231, section 6.3.1: 200 OK | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
瀏覽器相容性
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Chrome Full support Yes | Edge Full support Yes | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Edge Mobile Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support