Speed Curve

MARCH 7, 2022

I intentionally left out the numbers for video, because they seemed inconsistent. These numbers should not be taken as a benchmark for your own site. You can see this by looking at the synthetic test result for Sears.com (again, available via our Industry Benchmarks ). Don't assume hardware and networks will mitigate page bloat.

Mobile 145

Mobile Benchmarking Google Metrics 145

Speed Curve

JULY 3, 2023

Video – For the first time in the many years that I've been covering the topic of page growth, I'm going to focus on the volume of video that pages contain. Largest Contentful Paint – LCP measures when the largest visual element (image or video) in the viewport finishes rendering. More on that later.) That's huge.

Mobile 52

Mobile Google Metrics Retail 52

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Paddy Ganti’s script constructs two URLs (one normal and one blocking the ads), prompts the generation of a video comparison via WebPageTest and reports a delta.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. You can then mimic the 90th percentile’s experience for testing.

Performance 145

Performance Cache Network Metrics 145