You shouldn't have to do anything. It's crawling all of my pages fine. How do you know it's having trouble crawling your site?
Getting upvoters and downvoters' names
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Is there a way to display all upvoters and downvoters on a post, to all users that can see that post? It looks like that information is only available to an admin / mod by means of the modal, or the hover on the number (but only upvoters).
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@Bri you will have to change core I think.