Notes frombuilding real systems.

Practical writing on frontend architecture, backend engineering, system design, delivery, and the decisions behind maintainable software.

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Frontend Performance
Aug 20, 20268 min

Measuring page metrics and interaction lag with the Chrome Performance panel

A practical walkthrough of the Chrome Performance panel — recording traces, reading the flame chart and using Core Web Vitals like INP to track down real interaction lag instead of guessing at it.

5 posts