Monthly Archives: February 2011

Hidden controls in HTML forms

I would like to continue writing about the methods used to pass various data between the client and server part of a web application. In the previous post I briefly described the cookies mechanism used to join the successive requests … Continue reading

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Cookies and user sessions

We all know that a web site can have a complex distributed structure with load balancers and database servers. However from the outside view any web site is just a computer program that is always waiting from an HTTP connection. … Continue reading

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On parameterization

To create a load test we record a typical user session with help of a browser and a load testing tool. We want to use that session as a template to emulate hundreds or even thousands users working with our … Continue reading

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What is an HTTP request?

I will not write about HTTP protocol in general. I want to concentrate on few facts about HTTP requests that are important for load testing. As I mentioned in the previous post, when we work with a web site using … Continue reading

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How a user session is recorded and replayed

As I wrote before, to load test a web site you need to record a sequence of actions that constitute a single user session on the site. Then when you run the test, this session it repeated by many virtual … Continue reading

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How to create a test?

Let’s imagine that you have a web site and you want to create a load test for it. Of course, the first problem is to choose a load testing tool. I will not write a lot about this step and … Continue reading

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How to load test a web site?

When we do load testing, our goal is to emulate a real life situation when many users are trying to access our web site simultaneously. We know that the web site can serve one user without problems. We can check … Continue reading

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