HTTP 103 Early Hints vs 525 SSL Handshake Failed
HTTP 103 (Early Hints) is a 1xx Informational response, while 525 (SSL Handshake Failed) 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, 525 means that cloudflare-specific. SSL/TLS handshake with the origin server failed.
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
Cloudflare-specific. SSL/TLS handshake with the origin server failed.
このコードが表示される場合
When origin SSL certificate is expired, misconfigured, or incompatible.
解決方法
Check origin SSL certificate validity. Ensure TLS version compatibility. Renew expired certificates.
主な違い
103 is a 1xx Informational response, while 525 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 525: Cloudflare-specific. SSL/TLS handshake with the origin server failed.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 525 when when origin SSL certificate is expired, misconfigured, or incompatible.
どちらをいつ使うか
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 525 (SSL Handshake Failed): Check origin SSL certificate validity. Ensure TLS version compatibility. Renew expired certificates.