As time progresses, and more posts are imported from other sites, some will get imported twice. Is it possible, to create something that will track and/or prevent identical posts from being imported? Related [Duplicate questions](https://topanswers.xyz/meta?q=574)
This already exists — you can't import the same post twice. If you try the import won't fail, it will just bring over any answers that you specify that weren't already imported.