Skip to content

Writing

Core Web Vitals

2 pieces tagged Core Web Vitals. Everything else is one click away in the rail beside it.

31 documents · press / to search

  1. 7 min read

    The cost of JavaScript: what a 100/100 Lighthouse score actually requires

    A framework floor you cannot budget below, four techniques that move the number, and the measurement discipline that keeps it there. Written from a site that scores 100/100/100/100 with zero route-level JavaScript.

    PerformanceCore Web VitalsFrontendNext.js

  2. 6 min read

    Interaction to Next Paint: what actually moves it, and what only looks like it does

    INP measures three things and most advice only addresses one of them. A breakdown of input delay, processing and presentation delay — with the fixes that move each, and the popular optimisations that move none.

    PerformanceCore Web VitalsINPFrontend

Start here

Tell us what you are building

Or what is breaking, or what has to go faster. You will get a straight answer from an engineer who would do the work.

Start a project