
Mark Zeman
1.4K posts

Mark Zeman
@MarkZeman
Founder @SpeedCurve, Hopeful idealist. I've moved to BlueSky. https://t.co/auULXnlpVL







So great to see how many media sites in our Page Speed Benchmarks have sub-2.5s LCP times! For some sites with poorer LCP, perceived #webperf/#ux isn't the issue. They're fast to start render. The main culprit is that the LCP element is just wrong. app.speedcurve.com/benchmarks/usa…









Backend time can have a big impact on Largest Contentful Paint and other metrics. @cliffcrocker explains how to use server-timing headers to find out what's happening inside the black box of Time to First Byte. speedcurve.com/blog/server-ti… #webperf #pagespeed #corewebvitals

So your Interaction to Next Paint (INP) time is slow. What do you do next? @cliffcrocker explains how to triangulate on the troublesome interaction elements on your pages. speedcurve.com/blog/interacti… #webperf #ux #corewebvitals







Now that INP has arrived to dethrone FID as the #CoreWebVitals responsiveness metric, it's time to scrutinize its effectiveness. @cliffcrocker looks at real-world data and asks: What correlation does INP have with #UX and business metrics? speedcurve.com/blog/INP-user-… #webperf
