PageSpeed Insights bookmarklet

I���m a little obsessed with web performance. I like being able to check a page���s core web vitals quickly and easily.

Four years ago, I made a Lighthouse bookmarklet. Whatever web page you were on, when you clicked on the bookmarklet you���d get the Lighthouse results for that page. Handy!

It doesn���t work anymore. This is probably because Google are in the loop. Four years is pretty good innings for anything involving that company.

I kid (mostly). Lighthouse itself is still going strong, despite being a Google product. But the bookmarklet needs updating.

Rather than just get Lighthouse results, I figured that the full PageSpeed Insights results would be even better. If your website is in the Chrome UX report, you get to see those CrUX details too.

So here���s the updated bookmarklet:

PageSpeed Insights

Drag that up to your desktop browser���s bookmarks toolbar. Press it whenever you want to test the page you���re on.