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May 28, 2017
2 min

Implement your Automated Web Page Design Analysis

In recent years, static websites completely disappeared and with the rise of technology, companies provide their services more and more online. The former latent web pages were replaced with content-rich and dynamic websites. Frequent changes in content and website layout can have a high impact on end to end response times. In this post, I will give you a simple approach how to implement an automated web page design analysis based on open source tools PhantomJS and Yslow. Set

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May 22, 2017
2 min

Web Page Design Analysis is not a one-off Exercise

Small things matter most, and this is not only true for day to day activities. Minor changes in application configuration can have a significant impact on end to end user experience. In this post, I will give you insights into the nature of such changes and some simple steps towards proactive detection of speed degradation. Changes and their Impact Frequent modifications in the look and feel of websites are very much appreciated. Nowadays, websites are not only used for adver

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May 14, 2017
1 min

Spotlight on the Top 3 Performance Test Types

Performance testing is meanwhile a fundamental step in many software development projects. Test early and repeat often is also true for load and performance testing. It’s not a one-time shot and there are some pitfalls involved. In this post, I will outline the three most frequently used performance test varieties. Component Speed Tests In recent year´s software development methods have moved in the agile direction. Short release sprints are essential. Developers and test eng

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Apr 23, 2017
2 min

The need for Continuous Performance Optimization

Nowadays, information technology is at the heart of every business. Outages or slowdowns in critical software components often impacts the whole organization. According to research from Aberdeen, performance is still an afterthought. A minority of 3 % identify the source of delays, and just 9 % perform root-cause analysis of application problems. Response time measurement is also widely ignored. One in five organizations is collecting response times metrics. It seems that con

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Mar 28, 2017
2 min

Why Monitoring is essential in DevOps

Time to market is more important than ever before because the competition is on the rise. Successful retailers are deploying every 12 seconds a new release. In this blog post, I will outline reasons for short release sprints and shine a light on the fundamental role of monitoring in a DevOps environment. Benefits of the DevOps approach Tight release sprints are a challenge for your development pipeline. Design-implement-test-deploy slots are short and require an excellent co

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Mar 25, 2017
1 min

Performance is Everyone’s Matter

#Makeperformanceeveryonesmatter #Performance

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Feb 27, 2017
1 min

Part 4 – Assessment of your Performance Engineering Maturity Level

#PEMM #Performance #PerformanceEngineering #PErformanceEngineeringmaturitymodel

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Feb 13, 2017
1 min

Part 2 – How to bring the Performance Engineering Maturity Model into play

#Performance #performanceengineeringmaturity

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Feb 7, 2017
2 min

Part 1 – Introducing a Performance Engineering Maturity Model

Speed is everything, but not everything is speed! Nobody enjoys slow loading or erroneous applications, and bad user experience has already a significant impact on commercial revenue. I’m still wondering that the average response time of mobile sites is 19 seconds. Personally, speaking, I won’t wait more than 5 seconds for a page to load. Whether you follow a waterfall or agile-based development approach, there are three critical touchpoints you need to consider if you want t

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Jan 16, 2017
1 min

Why we need a Next Generation Technical Testing Platform

Our testing tool chain is quite impressive. Some are very specific, and others support a broad range of technologies and testing activities. However, when it comes to technical testing, more specifically, automated and performance testing, there are still gaps. In this post, I will outline this cleft. Typical technical testing activities Independent whether you are following an iterative or agile development approach, you will implement automated regression tests, performance

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Nov 24, 2016
2 min

The 3 User Experience Antipatterns

The digital transformation is ongoing, and user experience will become more important than ever before. Obviously, there are many benefits of this development, but there are also flip sides. This post will outline typical user experience antipatterns. The importance of user experience Nowadays, there are still areas in our day-to-day activities where digital services are very limited or not available. Many businesses are closing their digitalization gaps and will come up wit

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Nov 13, 2016
1 min

NFR Testing should not be an afterthought

However, make testing of non-functional requirements, namely, security and performance testing, part of your development pipeline. Also, NFR testing will reduce risks and gives you the opportunity to proactively solve issues before they affect your user community. There are some who tend to cut quality assurance to the absolute minimum, and in some cases, the customers are assessing their products. I understand this trend to some extends, but we need to keep in mind that our

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Nov 3, 2016
1 min

A Performance Engineer’s Toolbox

According to a performance research from DoubleClick, slow loading sites often results in reduced revenue. Therefore, successful companies integrated performance engineering in their development chain. They verify non-functional requirements early in the application lifecycle and monitor performance also at production. This post will outline tools and skills required for the former and the latter. Skills A performance specialist is technology-savvy and has hands-on experience

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Oct 20, 2016
1 min

Pitfalls in Performance Engineering

For those hoping that reaching a satisfying user experience is a cakewalk, there is the bad news, reliable and responsive applications are not for free. Those who have failed to consider certain principal activities in their software development chain won’t reach a satisfactory user experience. One first failure is to solve your application performance bottlenecks with a ramp-up of infrastructure. Based on my experience, from several hundred performance investigations, fewer

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Oct 11, 2016
1 min

Web Page Performance Analysis

Responsive websites consist of much more than a well-sized backend and fast service response times. Our modern web applications provide rich content in order to attract a broad user community. The navigation needs to be as easy as possible and the sites must support many devices such as mobiles, tablets as well as desktop computers. With perfect user experience in mind, web developers often use rich frameworks, which allow them to create fancy user interfaces. In addition, ev

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Oct 8, 2016
1 min

Performance Issues by Design

In the past, performance issues were often solved using investment in infrastructure. In many cases this approach worked fine, but those days are long gone. In our highly-distributed microservices based IT landscape the biggest chunk of performance issues are no longer related to network or infrastructure. In the past, performance issues were often solved using investment in infrastructure. In many cases, this approach worked fine but those days are long gone. In our highly-d

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