INP in production: what we wish we had measured earlier
INP replaced FID in 2024. The expensive lesson was not the rename. It was which URLs and interactions we ignored while LCP looked fine.
Series
Core Web Vitals education
Explainers and metric myths for Core Web Vitals aimed at developer-network readers.
Posts in this series
Which accessibility fixes show up in Core Web Vitals dashboards?
Alt text and ARIA labels rarely move a chart. Focus rings, keyboard latency, and layout-stable modals often do. Here is how we prioritise fixes agencies can prove in monitoring.
Why is my Chrome UX Report much worse than Lighthouse? How can I improve it?
CrUX field percentiles often look worse than a green Lighthouse run on the same URL. Here is why the gap is normal, what moves real-user Core Web Vitals, and what not to chase.
Key metrics we actually put on a monitoring dashboard
A short board for agencies: Core Web Vitals by template, a few supporting diagnostics, deploy deltas, and tiered alerts. Leave the encyclopaedia off the default view.
