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An Opinionated Guide to Performance Budgets

Speed Curve

Google Lighthouse is an open-source tool that checks your page against rules for Performance, PWA, Accessibility, Best Practice, and SEO. A good practice is to look at your last 2-4 weeks of data for a given metric, identify the worst number, and then set your performance budget for that number. (

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A Complete Guide to Performance Budgets

Speed Curve

> Lighthouse Scores (Synthetic) Google Lighthouse is an open-source tool that checks your page against rules for Performance, PWA, Accessibility, Best Practice, and SEO. Let's get started! Background: How performance budgets work 1. What is a performance budget?