The Top URLs section lists the URLs on the domain where the error has occurred at the highest frequency. An error may occur on multiple URLs, but understanding where errors tend to happen can help pinpoint which parts of the code trigger errors. Examining Top URLs is a good place to start when attempting to reproduce the error.
[developer-top-urls]
Click on an entry in the URL column to open the page in question.
Learn more about the other sections on the Developer tab: Stacktrace, HTTP Error Details, Browser & OS Impact, Insights, and Last Reproduction Steps.