We are running an e-commerce website for different European countries. Layout and products are same but the language of every website is different and they all are on different TLD's like .co.uk, .dk, .nl etc. We are improving our search engine visibility in google.com but not good at all in google.co.uk, google.dk etc. What will be the best way to improve in other google results as well. NOTE - All the websites are on a single server which is situated in Europe.