Welcome!

Sebastian Kruk

Subscribe to Sebastian Kruk: eMailAlertsEmail Alerts
Get Sebastian Kruk via: homepageHomepage mobileMobile rssRSS facebookFacebook twitterTwitter linkedinLinkedIn


Top Stories by Sebastian Kruk

In my recent article, "Five Steps to Improve E-Commerce Performance for Increased Sales: Introduction" I discussed problems encountered by our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats. The company quickly realized that e-commerce performance is critical to the success of an e-commerce platform and that sales will not increase just because you have an application online. We argued that while improving search engine ranking is important, you should never forget about the performance and usability in an e-commerce application. In this episode of our e-commerce performance series, we will analyze the impact that the back-end performance has on your online sales. Improve Back-End Performance The effort put into building a visually appealing and easy to use e-commerce site might be lost if you do no... (more)

Balancing the Load

A question that every online application provider will face eventually is: Does my application scale? Can I add an extra 100 users and still ensure the same user experience? If the application architecture is properly designed the easiest way is to put an additional server behind the load balancer to handle more traffic. In this article we recount an incident that happened to one of our clients when the cause of poor application performance was eventually attributed to problems with the load balancing of the application servers. HTTP Server (500) Errors Go Over the Roof Around 8... (more)

How Workstation Hardware Problems Can Affect SAP Performance Perception

Introducing SAP is a cost that makes everyone very cautious about the return on this investment. Performance problems with SAP delivery can quickly propagate to seriously affect business operations and lead to tedious war room scenarios. End-user complaints will usually point towards the SAP team, the SAP team will blame the network, and IT operations team will fight back. But what if the root cause of the problem is something altogether different. The inability to quickly determine the root cause of the performance problem often leads to war room scenarios, especially when the mo... (more)

What If It Is the Network? Dive Deep to Find the Root Cause

Modern Application Performance Management (APM) solutions can be tremendously helpful in delivering end-to-end visibility into the application delivery chain: across all tiers and network sections, all the way to the end user. In previous blog posts we showed how to narrow down to various root causes of the problems that the end users might experience. Those issues ranged from infrastructure through application and network, and through the end-user client application or inefficient use of the software. When the problem comes from the end user application, e.g., a Web 2.0 Web site... (more)

Five Steps to Improve E-Commerce Performance for Increased Sales

The saying "if it doesn't exist on the Internet, it doesn't exist"[1] is ringing truer every day. Nowadays, it is hard to imagine most businesses without an e-commerce platform, let alone without a web presence at all. Since e-commerce is becoming the new standard, e-commerce performance needs to be at its best. In this blog series, I have come up with several ways to ensure your company's e-commerce performance success, including: avoiding unnecessary network load,reducing number of (internal) HTTP errors, improving backend performance,understanding your clients, ensuring scal... (more)