I asked a question here and now it is on a different website too. I can't edit the question there, and that could be a problem since there are other people's names on that code.
How to proceed?
You are most likely looking at a SCRAPER of the site (different from a clone). There would usually be no affiliation with Stack Exchange, but there should be some form of attribution for the content they post.
Read more about this and how it can be handled in this Meta.SE post: