Question
What causes a Cloudflare Error 520?
Asked by: USER9138
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Answer (35)
A Cloudflare Error 520 indicates a problem with the origin server (the server where your website's content is stored). It signifies that Cloudflare couldn't reach your origin server to serve the requested content. Common causes include origin server downtime, high server load, misconfiguration, or issues with the origin server's firewall.