In the Query Workbench, click Compare.
Another preview panel opens. In this view, you can compare results from one query pipeline side by side with another query pipeline.
In the left panel, select a pipeline to compare to your working pipeline.
Now you can see how the search results differ between the two pipelines:
|When you click a document in one panel, the other panel automatically scrolls to the same document.|
To exit compare mode, click the Close icon.