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Cool new stuff on the NGINX front

Although NGINX conf 2015 took place back in September, not a day passes without someone asking me to summarize highlights from the event, future NGINX plans, what's coming up, and related information requests, so I prepared this blog as an ... More >


Black Friday/Cyber Monday Live Blog: Retailers’ Mobile & Web Performance

Update: November 26th, 2015 at 11:50pm EST Here is a real time dashboard looking at 10 of the fastest retailers based on transactional tests from the Dynatrace product order benchmark.  These are multi-step tests where our browser agents ... More >


EnterpriseJS Boston Summit Highlights

I was fortunate to be in town at the same time EnterpriseJS Boston Summit was taking place earlier this week. I am just starting to wrap my head around Node.js (being a guy with a background in .NET and Java) and, therefore, not at all an ... More >


Manage the Cost of a Feature through Performance and Resource Budgets

Having a performance budget for a feature is a widely discussed approach that I’ve been proposing for a performance oriented culture for a long time. In addition to Page Load Time – primarily used to derive the User Experience – I recommend ... More >


Shift-Left Quality with Dynatrace Personal License

In the past year I have helped scores of developers, testers, architects and ops analyze the quality, performance and scalability problems of the business critical apps for which they are responsible. They shared their data via Share Your ... More >


Web Performance Tuning & the Enterprise Frontend

We’re all aware of the impact that user experience and page speed have on business results for online shopping sites; much has been written about the correlation between web performance and business metrics such as conversions, revenue and ... More >


Java South Africa – 2015 Conference Highlights

I was invited to South Africa to speak at the Java Conference in Cape Town. Due to a short term change in speakers I got the opportunity to not only speak about my most favorite topic - Top Performance Problem Patterns - but also about my ... More >


Understanding Garbage Collection and hunting Memory Leaks in Node.js

Whenever there is bad press coverage of Node.js, it is (typically) related to performance problems. This does not mean that Node.js is more prone to problems than other technologies – the user must simply be aware of certain things about ... More >