Are Web apps slow?
Unlike binary desktop programs, web applications rely on a wide variety of hardware-limited resources to get from server to client. Because there are so many reasons an application can be slower than expected, it is rarely advisable to immediately look to the code for answers.
What makes web apps slow?
The real causes for an application slowdown
Overloaded server. Database request too slow to execute or poorly written. Issues at the load balancing level (overloading one server) Slow Web request.