Our monitors that make use of a browser type with extra metrics will provide a detailed waterfall chart, including additional metrics such as the W3C navigation timings.
A navigation to a webpage may actually consist of multiple individual page loads. For example, a new load is initiated as a result of a redirect, or if the page runs a script that reloads it with a cookie popup. Alternatively, a transaction step can contain multiple explicit navigations.
We’ve made a change to how we display such navigate actions in our waterfall charts. Now, the start of each individual navigation will be indicated in the waterfall chart with a vertical green line. The displayed W3C navigation metrics will be for the last navigation in the waterfall.