WordPress Cron Jobs: The Silent Performance Killer Nobody Talks About
WP-Cron checks for scheduled tasks on every page load and makes an HTTP request to itself. Here’s why that causes random slowdowns and how to fix it in 5 minutes.
Speed tuning, caching, JavaScript, server configuration
WP-Cron checks for scheduled tasks on every page load and makes an HTTP request to itself. Here’s why that causes random slowdowns and how to fix it in 5 minutes.
Every guide tells you to increase WP_MEMORY_LIMIT. None of them tell you how to find what’s actually eating your memory. Here’s a diagnostic workflow that gives you real answers.
Core Web Vitals are Google’s metrics for measuring real-world user experience. They directly impact your search rankings. In 2026, the three metrics that matter are Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS). Largest Contentful Paint (LCP): Under 2.5 Seconds LCP measures how long it takes for the largest … Read more
WordPress shortcodes have been around since version 2.5. They’re everywhere — page builders use them, contact form plugins use them, even some themes rely on them for basic layout. But do they actually slow down your site? The short answer: shortcodes themselves are nearly free. What’s expensive is the code they execute. Let me show … Read more
Hotjar is one of the most popular behavior analytics tools for WordPress. Heatmaps, session recordings, feedback polls — it gives you visibility into how users actually interact with your site. But every third-party script has a cost, and Hotjar is no exception. Here’s what Hotjar actually loads, how much it impacts performance, and what you … 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
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
I’ve been optimizing WordPress sites for years. And every single time, I find the same thing: the nginx config is either the default that shipped with the server, or a half-done copy from a DigitalOcean tutorial circa 2019. The PHP side gets all the attention — object caching, query optimization, autoloader tuning. But the web … 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