Xdebug is a great tool to assist with stubborn performance issues. Commonly used for debugging code, if you use it on a staging server with conditional breakpoints and the tips below, it can help you identify and fix your performance bottlenecks far more quickly than otherwise possible. This guide presumes you are using VS Code […]
I’ve been optimising a WP All Import job for a client with 600,000 products and while doing so I was hitting refresh on SHOW FULL PROCESSLIST to catch queries which take too long to run. I kept seeing the following query: SELECT status, COUNT( * ) FROM wp_posts WHERE post_type = ‘product’ GROUP BY post_status; […]
A potential client arrived yesterday on my Discord channel asking for help with slow WooCommerce Variations. It turns out, in their case, they only have a total of 72 variations and yet their product detail page was running incredibly slowly. As luck would have it for them, I was keen to get back into recording […]
I actually discovered this performance issue right here on our own website. Normally I discover performance issues on client or customer websites. From now on, as I discover badly behaving plugins, either on my site, or through optimisation work I do for clients and customers I will be taking the time to write about them […]
Follow our step-by-step preparation and post-migration guide along with visuals along every step of the way.
Query Monitor is by far the best tool to analyse WordPress performance bottlenecks. With this tool, you can quickly discover which plugins or even which theme functions are causing your site to slow down. In this article, I’ll cover how I use Query Monitor when running performance analysis jobs for clients. Installation Installation is normally […]
After getting my website home page load time down to 1.3 seconds, with the help of Scalability Pro, Super Speedy Filters and Super Speedy Search, imagine my disappointment when recently, I was seeing times of 7 seconds+ on random visits to the website. Using Query Monitor, I was able to diagnose that a significant chunk […]
I upgraded Foundthru to the latest WooCommerce and after onboarding (updating the database) it keeps checking if I need to update the database with expensive calls on wp-admin. On foundthru with 1 million products, this increases wp-admin page load time from 3 seconds to 28 seconds. There’s no easy fix I can apply for this […]
For five years I’ve been solving WordPress performance problems. There are many patterns that exist out there that you can use to help you identify where slow bottlenecks on your site are coming from. Below, I try to impart that knowledge to help you get the speed you deserve from the hosting you’re paying for. […]
A customer asked me for helping speeding up their imports. They are using WP All Import to import their products and keep the prices and other details updated, and while the imports were working fast for them at the start, the imports gradually slowed down to the point where they kept failing. Scalability Pro is […]