Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Speed Curve

FEBRUARY 15, 2021

Google Lighthouse is an open-source tool that checks your page against rules for Performance, PWA, Accessibility, Best Practice, and SEO. In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB. > Speed Index (Synthetic).

Performance 134

Performance Metrics Benchmarking Google 134

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB.

Performance 98

Performance Metrics Media Google 98