HTTP 103 Early Hints vs 511 Network Authentication Required
HTTP 103 (Early Hints) is a 1xx Informational response, while 511 (Network Authentication Required) is a 5xx Server Error response. 103 indicates that used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response. In contrast, 511 means that the client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
説明
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
このコードが表示される場合
When a server wants the browser to start loading CSS/JS before the full response is ready.
解決方法
No fix needed. This optimization helps speed up page loading.
説明
The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
このコードが表示される場合
When connecting to WiFi that requires login (airport, hotel, coffee shop).
解決方法
Open a browser and complete the captive portal login process.
主な違い
103 is a 1xx Informational response, while 511 is a 5xx Server Error response.
HTTP 103: Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
HTTP 511: The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 511 when when connecting to WiFi that requires login (airport, hotel, coffee shop).
どちらをいつ使うか
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 511 (Network Authentication Required): Open a browser and complete the captive portal login process.