How can I troubleshoot SSL/TLS certificate issues when using Cloudflare with GitHub Pages?

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Grade: Education Subject: Support
How can I troubleshoot SSL/TLS certificate issues when using Cloudflare with GitHub Pages?
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Ensure that your SSL/TLS encryption mode in Cloudflare is set to 'Full' or 'Full (Strict)'. Verify that the domain is correctly added in both GitHub Pages and Cloudflare. Check that your DNS records (CNAME/A) are correctly pointing to GitHub Pages. Allow time for the SSL certificate to provision; it can take up to 24 hours. Use a tool like SSL Checker to verify the certificate status.