Well, these sorts of posts are pretty common on Q&A websites.
"Well"＝「ま、」
"these sorts of posts are"=「このような投稿では」
"pretty common on Q&A websites."＝「質問サイトにはよくある。」
Example in context:
"Questions about human relationships, family problems, school-related matters are quite common on Q&A websites."
アメリカ合衆国 
