While using the internet, one of the most common issues that people might face is the 502 Bad Gateway Error. The appearance of the error indicates that one of the servers that was trying to process your request cannot display the request, as it has received an incorrect one from the other server. This error can simply be said to be a communication issue between two servers, which are called “gateway” or “proxy”.
There can be a number of reasons behind this error, like a temporary overload on the server, network issues, wrong DNS settings, or problems with the service providing the hosting for the website. It could be a case of not being your fault, and the issue getting resolved after a short time.
Simple Fixes to Easily Resolve the Bad Gateway Error 502
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Refresh the page: reload it after a few seconds.
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Remove the cache and cookies of your browser.
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Disconnect your router or device to reset your connection.
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Use another browser or turn off extensions.
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If you are the owner of the website, then check server logs, firewall settings, or get in touch with your hosting provider.
This is the basic understanding that you should have when you wish to know what does 502 bad gateway mean.