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An Opinionated Guide to Performance Budgets

Speed Curve

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.

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A simple, client-side approach to measuring Speed Index

Dean Hume

In order to get an idea of the large majority of websites out there, the NCC group ran a test of the top 50 UK retailer home pages. That said, this is still an awesome library and definitely worth experimenting with! It's an open source initiative, so feel free to contribute! Further thoughts.

Speed 40
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article thumbnail

A simple, client-side approach to measuring Speed Index

Dean Hume

In order to get an idea of the large majority of websites out there, the NCC group ran a test of the top 50 UK retailer home pages. That said, this is still an awesome library and definitely worth experimenting with! It's an open source initiative, so feel free to contribute! Further thoughts.

Speed 40
article thumbnail

A simple, client-side approach to measuring Speed Index

Dean Hume

In order to get an idea of the large majority of websites out there, the NCC group ran a test of the top 50 UK retailer home pages. That said, this is still an awesome library and definitely worth experimenting with! It's an open source initiative, so feel free to contribute! Further thoughts.

Speed 40
article thumbnail

A Complete Guide to Performance Budgets

Speed Curve

> Lighthouse Scores (Synthetic) 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.