Both clay bisque ceramic and porcelain will hold up just fine in any house in a wet area. In an exterior environment, you need to use porcelain IF the area will be subjected to freeze thaw cycles as porcelains water absorption is less than .5% and won't be at risk of falling apart by absorbing water and then freezing when the absorbed water expands as can happen with regular clay bisque tiles. If you live where it doesn't freeze, use whatever you want.
I think Parthpatel's goal is to just direct everyone to their site which is why all their posts bring up threads some years old and link multiple times within each post to one particlular site. I'd not be as concerned about it if they could at least share accurate information within their link heavy postings.