Analytics Usage Report
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1. On the wpForo Members page, the members are being displayed based on the reputation system. You can check it here:
2. I'm sorry but there is no popular topic widget. wpForo only has five widgets. Please see those in the doc: https://wpforo.com/docs/root/getting-started/forum-sidebar-and-widgets/wpforo-widgets/
Besides, the most popular topics are marked with different icons. Please see the screenshot below: