Redis and Memcached both slash WordPress database queries by 80%. Here is how each works, real benchmarks from a WooCommerce store, and when to pick which one.
Most WordPress crashes start in the database. After reviewing hundreds of sites, these are the 11 database mistakes that cause the most damage — and exactly how to fix each one.
A complete guide to WordPress database maintenance: OPTIMIZE TABLE for InnoDB and MyISAM, WP_ALLOW_REPAIR, WP-CLI db optimize, phpMyAdmin operations, monthly cron automation, and monitoring database health with SQL queries.
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.
Learn how to add custom database indexes to wp_postmeta in WordPress. This step-by-step guide covers diagnosing slow queries with EXPLAIN, adding meta_value indexes, automating with an mu-plugin, and benchmarking query performance improvements of 80% or more.
Learn how to install and configure Redis object cache for WordPress. This step-by-step guide covers server setup, wp-config.php constants, the object-cache.php drop-in, benchmarking, monitoring, and security hardening for production Redis deployments.
