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How does load testing work for websites?

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August 4, 2015 by admin

How does load testing work for websites?

Websites have software called a web server installed on the server. The user sends a request to the web server and receives a response. So, for instance, when you type www.google.com the web server senses it and sends you the home page as a response. This happens each time you click on a link, do a submit, etc. So if we want to do load testing you need to just multiply these requests and responses “N” times. This is what an automation tool does. It first captures the request and response and then just multiplies it by “N” times and sends it to the web server, which results in load simulation.

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So once the tool captures the request and response, we just need to multiply the request and response with the virtual user. Virtual users are logical users which actually simulate the actual physical user by sending in the same request and response. If you want to do load testing with 10,000 users on an application it’s practically impossible. But by using the load testing tool you only need to create 1000 virtual users.

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