title: Scalable WordPress website and optimal load speed in several countries
body: <p>I am planning a scalable WordPress based web application but one of the challenges is to make it load quickly in Europe, USA, Canada and Australia. What is the best way to achieve this? </p>
  
  <p>I can have web site installed on several servers in several countries and use load balancing? But in such case I would need to sync the databases of all those instances.</p>
  
  <p>I think optimal way would be to use Amazon RDS cloud mysql database and I will not need to use several databases and sync them. But now sure how quickly the database can be accessed from different countries. Maybe there is a better solution?</p>