Lighthouse changes how Performance Score is calculated

How this change will affect your performance metrics.

The Algorithm Behind the Performance Score

And how to improve yours.

Why Lighthouse performance score doesn’t work

The metric might not be working the way you expect.

Priority Hints: influence how browsers fetch resources.

A new way of asset prioritization is coming to a browser near you.

“There are parallels between accessibility and performance: both often underfunded, not prioritized and hard to instill within organizations. Both also critical to access and equity on the web.”

“Need a little bell for my desk I can slap when I visit a website with sufficiently sized text and appropriate contrast.”

Psychology of speed

A guide to perceived performance and less painful waits.