How to Clean Orphaned wp_postmeta Rows in WordPress (Safe SQL Queries)
The wp_postmeta table is one of the largest tables in any WordPress database. Over time, it accumulates orphaned rows, metadata entries that reference posts … Read more
The wp_postmeta table is one of the largest tables in any WordPress database. Over time, it accumulates orphaned rows, metadata entries that reference posts … Read more
10 essential WordPress security tweaks at the wp-config.php and server level. Salt regeneration, file editing lockdown, security headers, XML-RPC blocking, IP restriction, and more.
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.
The .htaccess file is the most powerful configuration file available on Apache-based WordPress hosting. Every request to your site passes through it before WordPress … Read more
WordPress transients are one of the most misunderstood parts of the WordPress database. They are designed to be temporary cached data with an expiration … Read more
The wp-config.php file is the most powerful WordPress configuration file, but most developers only use it for database credentials and debug mode. Buried in … Read more
Learn how to enable WP_DEBUG, configure the debug log file, read error entries, write custom log functions, manage log file size, and use Query Monitor for real-time WordPress debugging.
Learn how to limit, disable, and clean up WordPress post revisions safely using wp-config.php constants, the wp_revisions_to_keep filter, WP-CLI commands, and bulk SQL queries. Reduce database bloat and improve performance.
Critical WPVivid vulnerability (CVE-2026-1357) affects 800K WordPress sites. Check if you're exposed, fix steps, WP-CLI audit commands, and security hardening tips.
The wp_options autoload column silently degrades WordPress performance as plugins accumulate. Learn how to audit autoloaded data with WP-CLI, identify bloat from expired transients and orphaned plugin options, and safely clean up your database to cut TTFB by 30-60%.
Master wp-cli search-replace with real examples for domain migration, HTTP to HTTPS, staging to production, and fixing broken URLs. Includes a complete cheat sheet with every flag and option.