WordPress
Reference articles for the WordPress problems I see most often in production: error pages that show up after an update, performance that drops without an obvious cause, login flows that quietly stop working, and mail that never leaves the server.
Pick a topic below. Each subcategory groups related symptoms so you can compare what you are seeing against the closest match before changing anything.
Topics
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Performance
Why WordPress can feel slow: high TTFB, slow wp-admin, CPU spikes, and intermittent performance—explained with common causes.
25 articles -
Errors
Explanations for common WordPress error messages (e.g. 500 errors, database connection issues, white screen of death), with causes and safe checks.
36 articles -
Login & access
Common WordPress login and access issues: redirect loops, blocked wp-admin access, permissions and session problems.
7 articles -
Email delivery
Why WordPress mail silently fails: wp_mail handoff, local MTA delivery, SPF/DKIM/DMARC authentication, and hosting-level blocks, with diagnosis and fixes.
4 articles -
Security
WordPress hardening and incident response: SSL/TLS, file permissions, brute force protection, two-factor authentication, malware cleanup, and REST API security.
9 articles -
Setup & configuration
WordPress setup, migration, staging, and configuration: moving to a new host, changing PHP versions, multisite, user roles, and wp-config.php essentials.
11 articles -
Backups & recovery
WordPress backup strategy and disaster recovery: what to back up, how often, where to store it, and how to restore quickly when something goes wrong.
3 articles -
DevOps
WordPress in production: Docker Compose, Nginx FastCGI caching, WP-CLI automation, and container-era operations for self-hosted sites.
3 articles
Looking for a specific WordPress error?
Browse the error list with exact messages from WordPress and browsers so you can match what’s on your screen.