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.
Descripción
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
Cuándo lo verás
When a server wants the browser to start loading CSS/JS before the full response is ready.
Cómo solucionarlo
No fix needed. This optimization helps speed up page loading.
Descripción
Cloudflare-specific. SSL/TLS handshake with the origin server failed.
Cuándo lo verás
When origin SSL certificate is expired, misconfigured, or incompatible.
Cómo solucionarlo
Check origin SSL certificate validity. Ensure TLS version compatibility. Renew expired certificates.
Diferencias clave
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.
Cuándo usar cada uno
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.