Performance Testing Tools
Performance Testing Tools
Capacity
Capacity means whether the web application is able to handle large number of concurrent users.
Throughput
Throughput means whether the number of clients requests processes within a certain time.
Response Time
Response time is the time from when the browser has finished sending a request to when it starts
receiving the response from the server.
Response time and capacity both are inversely proportional to each other.

                                                Tools available:-

Load-Runner from Mercury
Rational Performance from Rational
Silk-Performer from Segue
Etc..
The commitment from senior managers and engineers
The dedicated budget and project schedule
A well-defined plan and strategy
Talent engineers and cost-effective testing tools
Maintenance of automated software tests and tools