Performance
Notes on WordPress performance, technical SEO and the craft of web engineering. Written from production, not theory.
FlyingPress vs WP Rocket: features, trade-offs and how to choose
Two premium cache plugins that overlap a lot. Where FlyingPress and WP Rocket differ, what breaks with both and how to compare them on your own site.
What are Core Web Vitals?
LCP, INP and CLS explained: what each metric measures, the p75 thresholds, where Google gets the field data and how to check your own site properly.
NitroPack vs WP Rocket: SaaS optimizer or plugin on your server
NitroPack optimizes pages on its own cloud; WP Rocket runs on your server. Trade-offs, lab vs field data, W3 Total Cache and who should pick which.
PageSpeed Insights vs Lighthouse: field vs lab data
PageSpeed Insights shows real-user CrUX data plus one Lighthouse run. Lighthouse runs anywhere you want. Here is when to use each tool and why they differ.
How to speed up WordPress: an engineer’s guide
The order I fix slow WordPress sites in audits: server, page and object cache, database, then LCP, INP and CLS, all measured with real field data.
Core Web Vitals assessment failed: what to do
Why PageSpeed Insights says your Core Web Vitals assessment failed even with a high score, and the step-by-step way to find and fix the failing metric.
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