Core Web Vitals for Content Sites, Decided Before Launch
Most Core Web Vitals advice is about fixing what broke. These are the decisions that are cheap now and expensive later — especially the one about reserved ad space.
Sep 23, 2026Performance
Core Web Vitals, caching strategy and cost per thousand visits, measured on real deployments rather than quoted from a vendor dashboard.
Image Optimisation Without a Paid CDN
Most image weight is a dimension problem, not a format problem. Resize before you re-encode, and you can do the whole job at build time for nothing.
Sep 23, 2026How to Measure TTFB Without Fooling Yourself
"TTFB is 800 ms" is a number with no meaning until you say where it starts and where it was measured. Here is how to split TTFB into its four components with curl, what the components looked like on a real static site, and why a single measurement is close to worthless.
Sep 23, 2026