Fix 502 Bad Gateway – nginx, PHP-FPM & Plesk
Website shows 502 Bad Gateway? nginx, PHP-FPM crashed, Plesk error, disk full – webspace troubleshooting step by step.
Quick answer: 502 Bad Gateway: restart PHP-FPM, check disk space, disable faulty plugin and increase PHP memory_limit.
If you landed here: Browser shows "502 Bad Gateway" instead of your website.