Advantages of Ruby on Rails

The most successful web applications all have been made in Ruby on Rails. 

As of Example We can take twitter in ROR

The advantages of Ruby on Rails

 Faster development with less hassle.
 High-quality solutions in shorter time.
 Complex projects can be scaled more easily.
 Flexible development process with less documentation.
 It's the most advanced framework for web applications.

Ruby on Rails is a framework that brings everything together. Database abstraction, AJAX, test stack, the MVC pattern, etc.  all can be performed well using ROR. Non-RoR applications start simple but grow to monsters full of bugs over time. In Ruby on Rails, you can keep the same architecture and it works successfully.

On comparing with other languages  Ruby on Rails is very easy... I heard these sentences from my colleague...