How to Fix Error 520: Web Server Is Returning an Unknown Error - Website Vidya

Table of Contents[Hide][Show]What Is Error 520?What Causes Error 520?How to Fix Error 520?+−1. Temporarily Disable Cloudflare:2. Verify DNS Records3. Restart PHP and Web Server4. Disable .htaccess5. Check Headers and Cookies6. Check Web Server Error Logs7. Check HTTP Error Response with a cURL Command8. Contact Cloudflare SupportOther Error FixesConclusionHow to Fix Error 520? It’s a frustrating and complex error code. It indicates that the web page is not reachable. There could be several reasons behind this error code 520. This article covers, what this error code means, why it occurs and how to troubleshoot it.What Is Error 520?Error 520 is an HTTP status code that is typically displayed when a web server returns an empty or incomplete response to the client, or when the server takes too long to respond. This error is often associated with Cloudflare, a content delivery network (CDN) and DDoS protection service.In the context of Cloudflare, a 520 error indicates that the server (whe...