NGINX Virtual Host: Host Multiple Domains on One Server
Learn how to configure NGINX virtual hosts (server blocks) to host multiple domains on one server. This guide covers basic setup, wildcard subdomains, server_name…
performance - page 7
Practical performance guides from the GetPageSpeed engineering team: configuration, performance tuning and security for production Linux servers.
83 articles
NGINX proxy_pass Trailing Slash: Complete Guide
Learn how NGINX proxy_pass trailing slash affects URL rewriting. This complete guide explains the URI transformation rules with verified examples, decision flowcharts, and real-world…
NGINX Alias vs Root: End the Confusion Once and For All
Master the difference between NGINX alias and root directives. This comprehensive guide explains path construction, trailing slash rules, try_files interaction, and regex patterns with…
NGINX Timeout Directives: Complete Configuration Guide
Master all NGINX timeout directives including proxy_read_timeout, client_body_timeout, keepalive_timeout, and send_timeout. Learn when to use each, production-ready values, and how to diagnose timeout issues.
![NGINX Upstream Keepalive: Connection Pooling Guide [2026]](https://www.getpagespeed.com/wp-content/uploads/2026/01/NGINX-Upstream-Keepalive-Connection-Pooling-Guide-2026-ai-1769551380-768x512.jpg)
NGINX Upstream Keepalive: Connection Pooling Guide [2026]
Learn how to configure NGINX upstream keepalive for connection pooling to your backend servers. This comprehensive guide covers the keepalive directive, tuning parameters, preventing…
NGINX Proxy Cache & Microcaching: Complete Guide
Master NGINX proxy cache and microcaching to achieve up to 400x performance improvement. This comprehensive guide covers proxy_cache_path, proxy_cache_valid, thundering herd prevention with proxy_cache_lock,…
NGINX Rewrite Rules: The Complete Guide to URL Rewriting
Master NGINX rewrite rules and URL rewriting with this comprehensive guide. Learn the difference between return and rewrite directives, capturing groups, rewrite flags, and…
NGINX Gzip Compression: The Complete Configuration Guide
Learn how to configure NGINX gzip compression for optimal web performance. This comprehensive guide covers gzip_types, gzip_comp_level, gzip_min_length, and all other gzip directives with…
NGINX CORS Configuration: Why the Recipe You Copied Is Broken
The map + add_header CORS recipe everyone copies is broken in four specific ways: a missing Vary: Origin that poisons your CDN, add_header inheritance…
NGINX 502 Bad Gateway: Every Cause and Fix (Complete Guide)
Learn how to fix NGINX 502 Bad Gateway errors. This comprehensive guide covers every cause including PHP-FPM issues, socket permissions, buffer problems, and more…