Small problem with imgur

Hi there, i have had my ipad for about 9 months. Recently i did the new upgrade and also did a restore with itunes. I browse this site called imgur every day, but for some reason, i cant click on any links that people post in the comments, cant click on replys to those comments and cant downvote or upvote comments. I never had this problem a couple months ago. I can do all of this on my computer but not my ipad. Help would be appreciated.

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