Performance
Why Your Site Feels Slow Even Though the Server Is Fast
Server response is usually a small fraction of what a visitor experiences. The rest is in the browser, and it is measurable.
Writing
Blog
Guides, updates and the occasional opinion.
Performance
PHP Versions: Why Staying Current Is a Performance Decision
Upgrading PHP is one of the few changes that makes a site faster and more secure at the same time.
Performance
Caching Explained: Browser, Server, Object and CDN
Four different caches, four different problems. Knowing which one is serving stale content saves hours.
Performance
Image Optimisation: The Highest-Return Hour on Any Website
On most sites images are the majority of page weight, and the fix takes an afternoon.
Performance
Content Delivery Networks: When You Need One and When You Do Not
A CDN is not a general speed upgrade. It solves one specific problem: distance.