If you’ve different top-level domains, e.g yourdomain.com, yourdomain.co.hk, yourdomain.com.au, yourdomain.com.hk, you may post similar contents to these websites. For example, you may post company news or some announcement on the web page of different domains. Is it a kind of content duplication? How Google treat this kind of content duplication? Google Webmaster Help answer this [...]