SSL Certificate diagnostics Tool
Verify your SSL certificate installation and check its expiration date.
Part of Yoopla's 445+ free browser tools.
How to Use SSL Certificate Checker
- 1
Enter your domain name (e.g., example.com).
- 2
Click 'Check SSL'.
- 3
Review the issuer, validity period, and potential security issues.
Frequently Asked Questions
Why is an SSL certificate necessary?▾
SSL encrypts data between the server and the visitor. It is essential for security and is also a ranking factor for Google.
What does an SSL warning mean?▾
It usually means the certificate has expired, was issued to a different domain, or the certificate chain is broken.
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