As the reader already knows, computers don’t speak JavaScript. They speak their own language (machine code). Sadly, there is not just one machine language; there are several, and they are subject to change.In order to run a JavaScript program, the program must be translated into the client machine’s machine code. No matter how much we [...]

To quote myself:  ”A smart person learns from his mistakes. A truly wise person learns from other people’s mistakes”. Today I am taking you on an odyssey of discovery. I recently did some PHP performance testing to measure the effectiveness of some of the tips in Website Performance: PHP. I made some mistakes and I [...]

JavaScript tuning tools help to reduce the amount of time required to find leaks, tweak performance and monitor Java Virtual Machines. Developers who want to decrease their time troubleshooting can benefit from the advanced heuristics and simple graphical interfaces that display essential data. Tools greatly help to reduce the amount of time manually searching through [...]

Website Performance: PHP and similar articles list many PHP performance tips, but lists of tips sometimes contain spurious advice, or at least advice of minimal value. We really must measure the effectiveness of a tip in our own production environment before judging its worth. Test Harness for PHP offers us a simple little PHP program that [...]

This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. Comparative Evaluation of JavaScript Frameworks   Authors: Andreas B. Gizas, Sotiris P. Christodoulou and Theodore S. Papatheodorou.   Publisher: World-Wide Web 2012. This concise, but revealing, paper evaluates ExtJS, Dojo, jQuery, MooTools, Prototype, and [...]

Much has been written about how to set up different monitoring tools to look after the health of your Linux servers. This article attempts to present a concise overview of the most important metrics available on Linux and the associated tools. CPU utilization CPU usage is usually the first place we look when a server [...]

In a previous article, we looked at monitoring HBase – a NoSQL distributed database running on top of Hadoop. But how does one deploy an HBase cluster in the first place? Installing Hadoop and HBase on numerous cluster nodes, making sure they communicate properly, starting up the cluster – and making sure everything works flawlessly [...]

This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week. Radio link and Nav Timing Author: Steve Souders.   Publisher: Steve Souders.This article shows how to measure DNS time, connect time, TTFB, HTML parsing time, and front-end time on the Android 4, which promotes/demotes [...]

In this article you can find some easy steps you can follow to maximize the performance of your ASP.NET applications. 1. Use caching. When multiple users request the same content from your page, your server can respond with a cached copy of that content. This way, only the first user will have to wait for [...]

Improving your HTML performance is a key factor in the success of your website. There are certain factors that you need to be aware of when it comes improving your HTML code to optimize your website, and ultimately gain a better conversion rate.The latest HTML5 will improve the functionality of your website and make it [...]