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performance - page 8

Practical performance guides from the GetPageSpeed engineering team: configuration, performance tuning and security for production Linux servers.

83 articles

NGINX

NGINX Reverse Proxy: The Complete Guide

Master NGINX reverse proxy configuration from basics to advanced. Learn proxy_pass, upstream load balancing, headers, buffering, timeouts, WebSockets, and troubleshooting 502/504 errors with production-ready…

NGINX

504 Gateway Timeout NGINX: How to Fix It

Stop copy-pasting timeout fixes. Learn which NGINX directive actually causes 504 errors and how to fix it properly—whether you're proxying to Varnish, Node.js, PHP-FPM,…

NGINX

NGINX FastCGI Keepalive: Persistent PHP-FPM Connections

Learn how to configure persistent FastCGI connections between NGINX and PHP-FPM using fastcgi_keep_conn and upstream keepalive directives. Includes production-ready configurations, PHP-FPM tuning tips, and…