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French 521/522/523 Cloudflare Error: What It Means and How to Fix It
If you’re running a site behind Cloudflare and a visitor suddenly sees an orange error screen with a number like 521, 522, or 523, the problem isn’t Cloudflare itself. It’s almost always your origin server, the actual machine hosting your website, that Cloudflare can’t reach. These three codes look similar and get mixed up constantly, […]