See use case #1 for a description of this requirement.
We use two pages for this use case. This is page #2 of the example. See Page #1 for full explanation.
If you clicked the link to this page from Page #1, you should see page performance results show up below. It may take a while if this is the first time you're doing the test since testing your bandwidth takes about 6 seconds. You can also click the link to Page #1 to see the same output on Page #1.
The latest code and docs is available on github.com/lognormal/boomerang