PayPal provides you a very decent service and quick support. Initially I had plenty of doubts like is it secure enough and will I be able to pay from it securely, but when I start using this believe me this is very trustworthy and secured site I have ever seen. They provide very good service and support with a quick turnaround time.
Information on the website is very descriptive and self understandable. You can see it from starting with your account creation only like they will guide you each step by step process.
Content on the website is very structured and self descriptive.
UI of the application or I can say Design of the application is very cool, not full of colors simple and pretty decent. The application is very much user friendly.
The response time of the application is pretty good means fast I guess it is hardly around 2 4 seconds.