You could try using http://perfmonkey.com to run a simple scroll test on your webpage. If you are looking at more powerful tests, try out http://github.com/axemclion/browser-perf.
Here is the result I got - http://www.perfmonkey.com/#/trynow/results/travis/53664194
Here is a test I ran on bootstrap CSS library over all its versions - http://axemclion.github.io/bootstrap-perf