One thing really gets to me..

People who post their website as the profile you are viewing.. Example:
I was looking at someones YouTube channel today, under website, it had the URL for the YouTube channel I was looking at..

Come on people, If I am looking at your channel/profile/page then I don't need to be told that aforementioned channel/profile/page belongs to you. I look at your website info if I like what you talk about and want to see more Dx