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Website errors can be a real test of patience. One common culprit is the 502 bad gateway error. Known for its ubiquity across the web, it doesn’t discriminate between small WordPress sites or well-known services like Gmail, Twitter, or Instagram.
You may encounter a 502 Bad Gateway error when a server upstream (i.e. one closer to the website than the client’s end) either fails to receive a valid response from another server or encounters an issue while trying to fulfill a request.
Continue reading What is HTTP Error 502 Bad Gateway & How to Troubleshoot It at Sucuri Blog.