If your SSL certificate is not working:
Check Certificate Status:
1. Visit https://yourdomain.com
2. Click padlock icon in browser
3. View certificate details
Common Issues:
1. Certificate Expired:
- Renew via Plesk > SSL/TLS Certificates
- Let is Encrypt auto-renews if configured
2. Wrong Domain:
- Certificate must match exact domain
- www and non-www need coverage
3. Mixed Content:
- HTTP resources on HTTPS page
- Update URLs to use HTTPS
4. Installation Issue:
- Reinstall certificate in Plesk
- Ensure private key matches certificate
5. Chain/Intermediate Certificate Missing:
- Install complete certificate chain
- Contact support for assistance
Test Your SSL:
- Use ssllabs.com/ssltest
- Check for warnings and fix issues