Guides related to troubleshooting across 4 platforms.
A field-tested diagnosis path for WordPress 'HTTP error' on media uploads: read the real status code, then fix PHP limits, Nginx body caps, Imagick threads, or plugin conflicts.
Turn on WP_DEBUG, WP_DEBUG_LOG and SAVEQUERIES the safe way, read wp-content/debug.log, and pinpoint whether a plugin, theme, or query is at fault.
A practical guide to TYPO3 site error handling: choosing between the Page and Fluid error handlers, wiring up 404 and 403 responses, and verifying the real status code.
A practical guide to diagnosing missed scheduled posts and other WP-Cron failures: how the queue works, common causes, WP-CLI checks, and switching to a real system cron.
A practical fix for WordPress 404 errors on every inner page while the homepage still loads: flush rewrite rules, restore .htaccess or repair the Nginx config.
A practical guide to TYPO3's redirects module: creating and reviewing redirect records, automatic redirects on slug changes, and keeping the redirect table healthy.
How to run Joomla maintenance on autopilot with Scheduled Tasks: choosing between the lazy, web cron and CLI schedulers, setting task timing and verifying runs.
A field-tested WP-CLI workflow for changing a WordPress site URL: exports, wp option update, search-replace with dry runs, GUID protection and post-migration cleanup.
A structured fix for WordPress database connection errors: verify wp-config credentials, test the database server, repair corrupted tables and prevent a repeat.
A practical workflow for silent WordPress email failures: capture wp_mail errors, fix the From address, then move to authenticated SMTP or a transactional provider.
A step-by-step audit for finding and safely removing ghost code that apps leave in Shopify themes after uninstalling, plus how to avoid the problem going forward.
A practical workflow for finding slow Shopify theme code: metric triage, Liquid profiling with Theme Inspector, and targeted fixes for images, scripts and fonts.
A structured workflow for WordPress 500 errors using server logs, controlled isolation, WordPress debugging and hosting checks.