GitHub Pages Custom Domain HTTPS Configuration

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GitHub Pages itself supports HTTPS. For example, repository addresses like alanhg.github.io can be accessed normally via HTTPS, but after using a custom domain, HTTPS access is not available. Here we use Cloudflare’s free CDN service to achieve this.

Operation Steps

  • Register a Cloudflare account

  • Click ‘Add Site’

  • Choose the free plan

  • After successful addition, it will prompt you to modify the domain’s DNS servers

  • Under Crypto, select SSL-Flexible

    Check Always use HTTPS

  • Log in to your domain registrar’s control panel, modify DNS server addresses to those provided by Cloudflare above

Final Thoughts

After configuration is complete, accessing https://1991421.cn works, but the browser will show a certificate error because it’s GitHub’s certificate, which doesn’t match our custom domain. This issue requires some waiting time. It worked normally for me when I accessed it the next day.

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Authors
Developer, digital product enthusiast, tinkerer, sharer, open source lover

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