Harald Zeitlhofer

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Top Stories by Harald Zeitlhofer

Last-Minute Black Friday Business Rescue and Cyber Monday Readiness In order to be ready for the Christmas season, online retailers typically bring their shops into shape right before Black Friday. Together with Cyber Monday this is the most important day in the retailer's year. Stilnest.com (@Stilnest) is a publishing house for designer jewelry, running their online shop on Magento. While the guys at Stilnest did a good job of preparing their environment, the interest in their products and, therefore, the traffic on their site, was much higher than expected. The shop even went down after one of the YouTube stars released a new video showing off her new jewelry line powered by Stilnest. In this classical "War Room" situation I worked together with Stilnest to find the root cause(s). Good news is that we worked out a solution and brought the shop online again - just i... (more)

How to Spruce Up Your Evolved PHP Application

Do you have a PHP application running and have to deal with inconveniences like lack of scalability, complexity of debugging, and low performance? That's bad enough! But trust me: you are not alone. I've been developing Spelix, a system for cave management, for more than 20 years. It originated from a single user DOS application, and has now emerged into a web application with hundreds of users, used nationwide as the official cave directory in Austria. Just as many software projects: Spelix evolved from MS DOS to PHP-powered Web 2.0 with increased demand for functionality and s... (more)

Easily Boost Your Web Application Using nginx

More and more Web sites and applications are being moved from Apache to nginx. While Apache is still the number one HTTP server with more than 60% on active Web sites, nginx has now taken over 2nd place in the ranking and relegated Microsoft's IIS to 3rd place. Among the top 10.000 Web sites nginx is already the leader in the field, with a market share of 40%. And the reasons are obvious: nginx is a high-speed, lightweight HTTP server engine. The performance improvement is quite significant for serving static content. Especially at high load, nginx is much faster than Apache and ... (more)