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Front-End Performance Checklist 2021

Smashing Magazine

2021-01-11T16:06:07+00:00. Goal: Be at least 20% faster than your fastest competitor. According to psychological research , if you want users to feel that your website is faster than your competitor’s website, you need to be at least 20% faster. New metrics landed in Lighthouse v6 in early 2020. Vitaly Friedman.