What are the reasons for Error 521?


For Error 521, you should confirm that your origin server, or the location where your WordPress website is housed, is operational.

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For Error 521, you should confirm that your origin server, or the location where your WordPress website is housed, is operational. If so, look through the server's error logs to see what went wrong. The 521 error could be the result of a malfunction or outage. It's also possible that your hosting company is either throttling or limiting requests from Cloudflare IP addresses.

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