Performance Analysis
Performance Analysis

Installing Xdebug remotely to debug WordPress and gather profile traces

Xdebug is a great tool to assist with stubborn performance issues. Commonly used for ...
Performance Analysis

Tracking down the origins of slow SQL code in WordPress

I've been optimising a WP All Import job for a client with 600,000 products and while ...
Performance Analysis

How to use Query Monitor to analyse WordPress performance problems

Query Monitor is by far the best tool to analyse WordPress performance bottlenecks. With ...
Case Studies

Figuring out slow PHP performance caused by loops using Xdebug

I use Xdebug regularly to help clients figure out why their PHP processes are consuming ...
Case Studies

Performance Optimisation for various XML Sitemap plugins

Learn which of these 3 XML sitemap plugins is the only one that can scale, and how to ...
Performance Analysis

Why the WooCommerce Products On Sale shortcode sucks (including a free plugin to fix it)

UPDATE: It's been a long time since I wrote this Products on Sale shortcode plugin - ...
Performance Analysis

How to Identify and Fix Scalability Issues on your WordPress Website

Over the 2 years of running Super Speedy Plugins, I've had many questions from clients ...
Performance Analysis

Speeding up WordPress imports with Datafeedr or WP All Import

Some of you may be aware of my External WordPress Images plugin - it basically lets you ...
Performance Analysis

Optimising Datafeedr Bulk Image Import

I'd covered this a while ago, back on the AWD site, but it's worth covering again. When ...
Performance Analysis

Optimising front-end WordPress Performance

If you've used tools like Pingdom, Google Page Speed Insights or GT Metrix, you'll have ...
Performance Analysis

Avoid Cache-busting Plugins

Traffic spikes tend to hit one or two pages on your site, so to profit from traffic ...
Performance Analysis

How to do WordPress plugin performance analysis

In the video below, I show an example of performance analysis of a WordPress plugin. ...
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