The six cache layers from browser to database, what common managed hosts build in, what ten caching plugins include, and the right setup for each host type, with a three-header check to see which layer is answering.
Performance14 min read
PageSpeed Insights sends no cookies and never logs in, so it misses the slowest WordPress problems. Six of them, with the commands to measure each and the smallest fix.
Performance11 min read
A 95 percent hit rate can hide the requests your cache was never allowed to see. How to measure the real bypass rate from logs and headers, find the cookie causing it, and rewrite the rules narrowly without serving one shopper's cart to another.
Performance11 min read
Raising the memory limit hides the real question: what in this request needed that much? How to measure peak memory per request and per plugin, the autoload and transient costs every page pays, the PHP array shape that multiplies memory, and the unbounded queries behind most fatals.
Performance11 min read
100k members polling unread counts every 30 seconds is roughly 3,300 COUNT queries per second. Without a persistent object cache that is all real queries, and rate limiting stops being enforced at all while still appearing configured. How to check, what to install, and how it breaks later.
Performance8 min read
Every Performance Lab module explained: which to enable, which to skip, and the server requirements to check first. Plus a recommended 2026 configuration.
WordPress12 min read
A WordPress-specific benchmark comparing Redis 7.2, Valkey 8.0, and DragonflyDB for object caching — with WooCommerce checkout, product archive, and membership workloads. Includes a decision framework for which to choose in 2026.
How To12 min read
Learn to cache, block, defer, and tune outgoing WordPress HTTP requests using transients, the pre_http_request filter, timeout configuration, and WP-Cron async patterns.
How To12 min read
Fix WordPress Core Web Vitals with developer-level techniques: fetchpriority and preload for LCP, intrinsic sizing and font-display for CLS, main-thread yielding and script deferral for INP.
How To12 min read
Render-blocking CSS and JavaScript delay your WordPress page from loading. Learn to use async and defer attributes on scripts, inline critical CSS, load full stylesheets asynchronously, and conditionally load assets only on pages that need them - all without any performance plugins.
How To12 min read
The WordPress Heartbeat API fires AJAX requests every 15 seconds by default, hammering your server even on pages that don't need it. Learn to disable it on the frontend, reduce frequency on the editor, and tune autosave intervals using filters and constants - no plugins required.
How To12 min read
Optimize WordPress images without plugins using CLI tools like ImageMagick, cwebp, and avifenc. Convert to WebP and AVIF, automate conversions with WordPress hooks, configure server-side content negotiation, and batch process your entire media library with WP-CLI.
How To10 min read
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