Nginx is the all-time favorite webserver and reverse proxy server for high traffic websites.
It stays strong under high traffic, and help achieve high uptime.
But like any other server, Nginx too is susceptible to configuration and connection issues that cause nginx upstream errors.
Result is website downtimes and in turn, negative impact on SEO.
“502 bad gateway” is one such common nginx upstream error.
At Bobcares, engineers at our 24/7 monitoring service monitor the servers and quickly resolve such nginx upstream errors.