Whether you are a Fan of US Football or not – it was really hard to avoid this huge sport event on February 5th. Besides the actual game it is the Super Bowl commercials that – besides being very expensive to air – usually drive a lot of load on the websites of the companies [...]

dynaTrace AJAX Edition 3.4 now gives you full JavaScript, AJAX, Network and Rendering analysis support for Mozilla Firefox 8 and 9 as well as Internet Explorer 8 and 9. If you want to optimize the performance of all your users’ browser versions, have a look at the dynaTrace AJAX Edition Premium to guarantee the best [...]

Today’s web sites are often cluttered up with third party content that slows down page load and rendering times, hampering user experience. In my first blog post, I’ve presented how third party content impacts your website’s performance and identified common problems with its integration. Today I want to share the experience I have made as [...]

The busiest online shopping time in history has brought a significant increase in visits and revenue over last year. But not only were shoppers out there hunting for the best deals. Web performance experts and the media were out there waiting for problems to happen in order to blog and write about the business impact [...]

The busiest online shopping season is about to start and it’s time to make a quick check on whether the top shopping sites are prepared for the big consumer rush or whether they are likely going to fail because their pages are not adhering to Web performance best practices. The holiday rush seems to start [...]

You do not agree with that? Have you ever looked at the details of your page load time and analyzed what really impacts Page Load Time? Let me show you with a real life example and let me explain that in most cases you only control 1/3 of the time required to load a page [...]

Velocity Velocity comes to Europe and we will are there. You can find our presentations and links here. Today we had a talk on What it means to deliver exceptional performance and tomorrow Andi will give a Lightning Demo. Hope to see you there What it means to deliver exceptional performance View more presentations from [...]

After announcing support for Firefox 7 in dynaTrace AJAX Edition Premium we now also provide support for the latest version of Mozilla’s Browser in dynaTrace AJAX Edition. The latest Beta update of dynaTrace AJAX Edition 3.2 therefore gives you full JavaScript, AJAX, Network and Rendering analysis support for the latest versions of Mozialla Firefox and [...]

We often see request error rates as an indicator for SLA compliance. Reality however shows that this draws a wrong picture. Let’s start with an example. We had a meeting with a customer and were talking about their SLA and what it is based on. Like in many other cases the request error rate was [...]

Many times have we been posting the recommendation to speed up your DOM Element lookups by using unique IDs or at least a tag name. So, instead of using $(“.wishlist”) you should use $(“div.wishlist”) which will speed up lookups in older browsers. If you want to lookup a single element then give it a unique [...]