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This extension shows web vitals metrics for the current page and lets you quickly navigate to PageSpeed Insights, WebPageTest, and Treo Site Speed.
For PageSpeed Insights tests we also show the original observed data along with the simulated metrics.

Site Speed Chrome ExtensionQuickly test site speed and view observed Lighthouse data
Matt Zeunertleft a comment
Hi everyone! I often want to run more in-depth tests on the page I'm on, so I built this extension to make it easy to access different tools. I also often see PageSpeed Insights report inaccurate lab data, due to the simulated throttling it applies. But, for example, if you can see that the observed metrics are worse than the ones after simulated throttling then it's clearer that the throttling...

Site Speed Chrome ExtensionQuickly test site speed and view observed Lighthouse data
Resource hints like preload and preconnect can make sites load faster, but can also hurt performance if used wrongly. This tool checks your site for common problems with them.

Browser Resource Hint ValidatorCheck preconnect and preload hints are working correctly
Matt Zeunertleft a comment
Hi everyone 👋 I run a website monitoring tool and noticed that a lot of sites use resource hints incorrectly. For example, preloading a large number of low-priority resources or missing a crossorigin header for a CORS request (so that the browser can't use the downloaded resource). The validator checks for common problems with resource hints. Hints are confusingly complex, so I'm there are many...

Browser Resource Hint ValidatorCheck preconnect and preload hints are working correctly

