A Plugin Deactivated Itself: Find Out Why, Get Alerted
A plugin deactivated itself and nothing is in the logs? Five causes, the check for each, and two small scripts that alert you the next time it happens.
Debugging & Profiling11 min read
Tag: WP-CLI
Fatal Error After Updating to WordPress 7.1.1 with Composer: What Broke and How to Fix It
The Composer package for WordPress 7.1.1 and 7.0.5 was published without wp-includes, so a deploy of the security release leaves every request fatal on wp-settings.php line 34. How to confirm it, three ways back online, and the build-time guard that stops the next one.
Debugging & Profiling11 min read
Allowed Memory Size Exhausted: Where a WordPress Request's Memory Goes
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
Outdated SQL Server in Site Health After WordPress 7.1
WordPress 7.1 raised its MariaDB recommendation from 10.6 to 10.11, so Site Health now flags servers that reached end of life in July. MySQL 8.0 is end of life too, but still passes. How to check what you run and upgrade safely.
Debugging & Profiling11 min read
WordPress HTTP Error on Media Upload: The Seven Real Causes
WordPress answers a failed upload with two words and no detail. Here are the seven causes that account for almost every case, the fingerprint each one leaves, and the three logs that hold the real error.
Debugging & Profiling12 min read
Your WordPress Snippets Are Not in Your Deploy
Code stored in a database row has no diff, no deploy and no review. Here are the WP-CLI commands that find every snippet, shortcode and unauthenticated AJAX action on a site you inherited, and the order to migrate them safely.
How To12 min read
Four Object Cache Bugs That Only Appear in Production
Four object cache bugs that never reproduce without Redis: busting before the write, cached nulls returning as empty strings, one row served under two keys, and invalidation from a hook listener that misses REST, CLI and import.
Performance7 min read
WordPress 7.1 Turns On Media Library Infinite Scroll. Measure It Before You Keep It.
Media library infinite scroll is on by default in WordPress 7.1. The new precedence order, why setting the filter overrides every user's opt-out, WP-CLI commands to measure your own library, and the three plugin patterns this breaks.
Performance12 min read
Your Object Cache Is Not a Security Control
Redis interfered with a recent WordPress exploit chain by accident, not by design. What a persistent object cache actually does, the four things it does not, and how to verify yours is correct rather than merely present.
Performance11 min read
WordPress WP-Cron Not Running? How to Debug Scheduled Tasks
WP-Cron stops running silently and the cause is almost always a stuck lock, a blocked loopback request, or DISABLE_WP_CRON set without a server cron replacement. This guide covers the full diagnostic flow with WP-CLI, _get_cron_array(), WP_CRON_LOCK_TIMEOUT, object cache conflicts, and real cron setup.
Debugging & Profiling13 min read
WordPress Database Optimization: OPTIMIZE TABLE, Repair, WP-CLI
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.
Performance11 min read
How to Optimize WordPress Images Without Plugins (CLI and Server Methods)
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
