View Query Performance
On this page
The Explain Plan tab displays the execution plan for a query.
To view the execution plan for a query filter, click on the collection on the left hand pane, then click Explain Plan.

Visual Tree
You can view the explain stages in a tree format. Each stage of the pipeline appears as a node on the tree. This makes sharded cluster outputs easier to understand and visualize.

Raw JSON
You can also view the explain details in raw JSON format:

To learn more about execution plans, see the MongoDB documentation.
Limitations
The Explain Plan tab is not available if you are connected to Data Lake.
The Explain Plan tab is not available for aggregation commands. Instead, you can utilize the .explain() method from Embedded MongoDB Shell in Compass.