DevOps

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Top Performance Mistakes when moving from Test to Production: Excessive Logging

When things work great in testing it doesn’t necessarily mean that everything works great in production. There are many things that might be different – such as: much higher load than tested, different hardware, external services that couldn’t be tested, “Real Users” that execute transactions that weren’t tested. This blog marks the start of a series of blog posts covering the Top Performance Mistakes when moving from Test to Production. read more

Performance Book with new chapter on Performance Engineering Practices

Since we announced our free performance book about a month ago we already had over 6000 Visitors. We wanted to create a source for performance practitioners where the can find the information the need to improve the performance of their applications. We will keep publishing new chapters on a monthly basis to eventually create a complete reference for everyone interested in application performance. After our first two chapters on… read more

Advantages of Load Testing with Real Browsers

With Web load you have the ability to load test your applications using real browsers (Internet Explorer or Firefox). There some distinct advantages to load testing with a real browser versus testing with a traditional HTTP load testing tool. In this post we will be discussing the differences between testing with real browsers vs. HTTP agents and the advantages of both. read more

Your Load Testing Questions, Answered: Part Three

As part of our series with performance testing expert and author of Web Load Testing for Dummies, Scott Barber provides answers to your load testing questions. Scott is the founder and Chief Technologist of PerfTestPlus, Inc. and is viewed by many as the world’s most prominent thought-leader in the area of software systems performance testing. He is also a respected leader in the advancement of the understanding and practice… read more

Your Web Load Testing Questions, Answered: Part Two

Last week we posted Part One of our series with performance testing expert and author of Web Load Testing for Dummies, Scott Barber, answering your load testing questions. Scott is the founder and Chief Technologist of PerfTestPlus, Inc. and is viewed by many as the world’s most prominent thought-leader in the area of software systems performance testing. He is also a respected leader in the advancement of the… read more

Why you have less than a second to deliver exceptional performance

The success of the Web performance movement shows that there is increasing interest and value in fast websites. That faster websites lead to more revenue and reduced costs is a well proven fact today. So being exceptionally fast is becoming the dogma for developing web applications. But what is exceptionally fast and how hard is it to build a top performing web site? Defining exceptionally fast First we have to… read more

Web Load Test Ramping Best Practices: Part 1

In load testing, ‘ramping’, the process of gradually increasing the number of virtual users and load at the beginning and throughout a test, is a recommended best practice. Ramping allows the load to be increased slowly so performance can be measured at different load levels. It also is vital in identifying performance bottlenecks and breaking points of an application. Read more to understand why web load testing is important > read more

Is Synthetic Monitoring Really Going to Die?

More and more people are talking about the end of synthetic monitoring. It is associated with high costs and missing insight into real user performance. This is supported by the currently evolving standards of the W3C Performance Working Group which will help to get more accurate data from end users directly in the browser with deeper insight. Will User Experience Management using JavaScript agents eventually replace synthetic… read more