Who is behind the web shop? The trader has the obligation to state his name, physical address and company number on the website, in a clear and visible way!
Do the check:
A trader must be officially registered in the country where he is established. Check the database of that country.
Example:
Enter the address via Google Maps. Does the address look like a place where the trader could be located? For example, if the trader’s premises is in the desert, then you know something is wrong with the identity of the trader.
Note: Do you want to buy on an online platform where different sellers are active? Check who the real seller is. Is the seller a private person? In that case, you do not have a right of withdrawal for example.