Fix your low Google PageSpeed Score

Find JavaScript functions slowing down your site and impacting your search rankings. Now available in Blue Triangle Synthetic Monitoring.

View Pricing


Upgrade your performance waterfalls to reveal long-running JavaScript functions

function tracing with files waterfall copy-1

Visualize the performance and loading order of your first and third-party JavaScript functions. See where these functions load in relation to other files to better diagnose performance issues.


Connect file to function

function tracing with file waterfall-1

Slow JS function? Instantly find out what file introduced it.


Improve search rankings and Time to Interactive


Slow JS functions impact Google's Time to Interactive metric.

Prioritize and execute on performance improvements like never before with JavaScript Function Tracing from Blue Triangle.


See function tracing, live on your site.

Now available in Blue Triangle Synthetic Monitoring. Fill out the form below to schedule your personalized demo.