The URL that appears in the browser tab is set up in page split-test settings tab that can be found here:
You can learn more about it and how to change it in this video:
If the path that you are trying to add is not unique, it is going to add some text to it to make it unique. You can learn more about it here:
Sometimes you want the Page Split-Test Settings URL to match the Funnel Step URL. Here is how you can do that:
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