Cloudflare Error 521 in WordPress Explained [+6 Ways to Fix It]

If you connect your WordPress website to Cloudflare, you may run into error 521. Many site owners connect their sites to Cloudflare, a free content delivery network (CDN) and security service for fast speed and increased security. Once connected, you can optimize your site’s speed with the CDN and secure it with SSL and bot protection, among other things.



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