When you need to submit data to Google Analytics, but it may not be transferred by standard way – GTM will help.
Google Analytics is a completely free service to collect detailed statistics on visits to Web sites and reporting on it. I have tried to gather data, which you might need to get started with Google Analytics. This is a review for those who are not yet familiar with analytics and it doesn't reflect points that require deeper preparation.
Cyfe is a service, which allow to create dashboards with valuable data by applying different types of pre-defined and custom widgets.