Doing Business online is all about user experience, what users are doing, Success lies on how much data about user behaviour you can grab on website. It is about monitoring what the user activities and their behaviour and collecting as much data as you can. It can help on conversion rate optimization, SEO efforts, PPC Campaigns. I am here by giving top 5 tools which are best to use.Here is a list for it..
Other than these tools you can surely configure your google analytics and get the maximum out of it.