The webtuna.js code wait untils the onload event for the page and then collects the timing information for the page and it’s resources from the Navigation Timing and Resource Timing APIs of the browser.
This data is then beaconed back to the WebTuna collector service (collector.webtuna.com) where it is collated with the data from all other users.
This data can then be viewed in the various formats by logging in to my.webtuna.com.
