HTTP 103 Early Hints vs 526 Invalid SSL Certificate
HTTP 103 (Early Hints) is a 1xx Informational response, while 526 (Invalid SSL Certificate) 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, 526 means that cloudflare-specific. The origin's SSL certificate could not be validated.
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. The origin's SSL certificate could not be validated.
このコードが表示される場合
When using Cloudflare Full (Strict) mode with an invalid origin certificate.
解決方法
Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.
主な違い
103 is a 1xx Informational response, while 526 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 526: Cloudflare-specific. The origin's SSL certificate could not be validated.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 526 when when using Cloudflare Full (Strict) mode with an invalid origin certificate.
どちらをいつ使うか
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 526 (Invalid SSL Certificate): Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.