Web Performance Optimization: Core Web Vitals and Beyond
Web Performance Optimization: Core Web Vitals and Beyond
Every 100 milliseconds of added load time costs you conversions. That's not a guess -- it's been measured repeatedly by Google, Amazon, Walmart, and everyone else with enough traffic to run the...
devtoolsguide.hashnode.dev10 min read
Tiffany Spark
Web designer in London. Clean code, good design, strong coffee.
the point about a page that scores 100 on Lighthouse but feels janky being worse than a page that scores 85 but responds instantly is something i wish more people understood. i have started leading every client call with their current PageSpeed score and it genuinely changes the conversation about why performance matters. the INP section is particularly useful — i had not properly got my head around why it replaced FID until reading this.