Posts tagged server caching - Tweaks WP

When PHP Goes Down, Keep Serving Pages: Stale Cache, 503s and the Outage Google Never Sees
We broke a WordPress 7.1.3 site nine ways behind nginx FastCGI cache. What fastcgi_cache_use_stale, background updates and a proper 503 actually served, and the http_503 trap that breaks maintenance mode.
Performance12 min readOctober 17, 2026
WordPress TTFB Optimization: 12 Tweaks to Reduce Time to First Byte
High TTFB kills Core Web Vitals scores before the page even renders. Here are 12 actionable tweaks to cut WordPress Time to First Byte under 200ms: PHP OPcache configuration, Redis object caching, FastCGI server-level caching, autoloaded options cleanup, external HTTP request audit, and more.
How To12 min readMarch 30, 2026

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