Marcin Dudek You click “Update” in your WordPress dashboard and hold your breath. Sometimes the update completes smoothly. Sometimes you get the white screen of death. WordPress updates — whether core, plugin, or theme — are the single most common cause of unexpected site crashes. Why Updates Break Things PHP Version Incompatibility A plugin updates to use … Read more
The wp-config.php file is the control center of your WordPress installation. Most tutorials only cover database credentials, but this file holds the keys to significant performance improvements. Memory Limits WP_MEMORY_LIMIT applies to frontend requests. WP_MAX_MEMORY_LIMIT applies to admin tasks like updates and image processing. Set these based on your server capacity — going too high … Read more
You install a new plugin and suddenly your contact form stops working. Or you update an existing plugin and your site throws a fatal error. Plugin conflicts are one of the most common WordPress problems, and they get more likely as your plugin count grows. Why Plugins Conflict WordPress plugins share a global environment. They … Read more
Render-blocking JavaScript is one of the most common performance issues flagged by PageSpeed Insights and Core Web Vitals. When a browser encounters a script tag, it stops rendering the page until that script is downloaded and executed. Deferring scripts tells the browser to continue rendering while downloading scripts in the background. defer vs async: Know … Read more
The 500 Internal Server Error is the most generic and frustrating error in WordPress. It tells you something went wrong, but not what. Here is a systematic approach to track it down and fix it. Check the Error Log First Before trying random fixes, look at your server error log. The 500 error is a … Read more
Your frontend loads in 2 seconds, but wp-admin takes 8. Sound familiar? A slow WordPress dashboard is not just annoying — it kills productivity. Every click, every save, every page load in the admin drags you down. The Admin Is a Different Beast Most caching solutions only help the frontend. Your admin dashboard runs uncached, … Read more
Every single page load on your WordPress site triggers a query to load all autoloaded options from the wp_options table. On a fresh install, this is a few kilobytes. On a site with 50+ plugins installed over the years? It can balloon to megabytes of data loaded on every request. What Are Autoloaded Options? WordPress … Read more
The WordPress White Screen of Death is one of the most dreaded errors a site owner can face. You visit your site and instead of your carefully crafted content, you see… nothing. Just a blank white page. The good news? WSOD almost always has a fixable cause. The bad news? Finding that cause can feel … Read more
WordPress Slow Queries: Find and Fix Them Database queries are the heartbeat of WordPress. Every page load sends queries to MySQL. But hidden among those queries are often the culprits killing your site’s performance: slow queries. This guide shows you exactly how to identify them, understand why they’re slow, and fix them permanently. What Counts … Read more
Finding What Makes WordPress Slow: Diagnostic Framework WordPress is slow. But what does that actually mean? Without proper diagnosis, you’re flying blind. Is it your hosting? The database? A poorly coded plugin? This guide gives you a systematic backend-first diagnostic framework to pinpoint exactly what’s killing your performance. Why “My WordPress is Slow” is Not … Read more