This diagnostic tool identifies the specific '526: Invalid SSL certificate' error that prevents visitors from accessing a website securely. It is for website owners and administrators who need to troubleshoot and fix broken HTTPS connections.

• Error Identification: Clearly states the error code and that the origin server lacks a valid SSL certificate.
• Root Cause Analysis: Explains the likely causes, such as an expired certificate or a certificate not matching the domain name.
• Actionable Guidance: Provides direct instructions for website owners to contact their hosting provider to install a valid, up-to-date certificate from a Certificate Authority.
• Visitor Information: Advises regular visitors to try again later, managing user expectations during an outage.
• Technical Details: Includes diagnostic data like timestamps and Cloudflare Ray IDs to assist support teams in investigation.