Using Google Adwords Across a Domain and Subdomain

We recently worked with a client who has a website that feeds leads to a separate Ruby on Rails app. The website was set up on a proper domain like “domain.com”. The Rails app was set up on a subdomain like “sub.domain.com”. Keep in mind that these websites are on separate domains and separate servers, but we wanted to track the success of our client’s Adwords campaigns from start to finish. Continue reading →