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Effect of Latency on Web Response Times
When we are conducting performance tests on web servers accessed by users across the globe, we cannot overlook the effects of latency on web response times. Consider a scenario where a web server is...
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Performance Testing and Monitoring
When we conduct load tests, it is extremely useful not just to know the performance metrics of the web application under test, but also to monitor the performance metrics for any associated components...
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Automated Web Load Testing
The title of this post is unusual because the word ‘automated’ adds little to the phrase ‘automated web load testing’. What I wanted to stress in today’s post is that there is really no way to make any...
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Cloud Load Testing
Cloud Load Testing has recently emerged as one of the best applications of cloud computing. Cloud computing generates economies of scale and provides unprecedented access to inexpensive computing...
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Load and Stress Testing
The terms load testing and stress testing are often used interchangeably. However, there is a fundamental difference between the two. Let’s assume that we have an application that at peak times is...
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Load Testing Validation
Load testing involves the execution of load testing scripts. How does one define the success or failure of a load testing script. Assume for simplicity that our test contains only one web page. If...
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Correlation in Load Testing
Correlation is used to account for dynamic values in load testing. Many web applications have dynamic data that changes every time the user runs that web application. Web applications often need to...
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Load Testing Common Mistakes
We have worked with lots of test systems and had many organizations consult with us about their performance and load testing efforts. Over the years we have encountered many common mistakes. These...
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Website Performance Improvements
Using our performance testing tool we have tested many websites and helped our customers improve the performance of their websites. In doing so, we have employed many methods that can be used to...
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Cloud Stress Testing
Stress Testing involves using a load testing tool to attempt to break a system. This typically means taking the system out of its comfort zone. In some cases the amount of hardware needed to do so...
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