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Trace timeline

The trace timeline places notable run events in time, including navigation, console warnings or errors, and failed or slow network requests.

This reference explains the term, its purpose, a practical example, common use cases, where it appears in Rima, and the closest product visual.
The Rima trace viewer
Timeline, screenshots, video, network, and console output for one run.

Definition

The trace timeline places notable run events in time, including navigation, console warnings or errors, and failed or slow network requests.

What it is for

It connects a visible failure to what the browser and network were doing at that moment.

How it works

  • Rima places notable events on a time axis: navigations, console warnings and errors, and failed or slow network requests.
  • Click a marker to inspect the event; align it with the video and screenshots to see what the page looked like at that moment.
  • In multi-test runs you can filter the timeline to one test.

Example

A marker at 12.4 seconds shows a slow API request immediately before the page validation timed out.

Common use cases

  • Correlate failures with network activity.
  • Find redirects.
  • Locate console warnings.
  • Understand where a run spent time.

Where to find it

Open a run trace and select the Timeline tab. Filter to one test when a run contains several.

Limitations, requirements, and permissions

  • Only events captured during the run appear; the timeline is read-only.
  • Requires the run trace to be available.

Related features and guides

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