We apologize for the instability of composr.app and appreciate your patience. We are working on the statistics addon and trying to find an optimal way to store and render data. Unfortunately, we have yet to find a solution that can handle the traffic (and therefore, tens of millions of statistical records) of composr.app. We're working hard on one.
#1730 - Facebook-sync forums with a Facebook page (for example - other services too)
Trying to sync comments/posts isn't going to work well, as we can't post on behalf of other users on FB, and hence people would not see replies and general confusion would happen.
Lots covered on this spreadsheet:
https://docs.google.com/spreadsheets/d/1_yaJeGzDIsxq33I7Wg9I-lTBDk3YS22WPBwJ971v5tI