Showing posts with label: Ajax

Inspired by the Top 10 Performance Problems post which focuses on Server-Side performance problems taken from companies such as Zappos, Thomson, Monster and Novell I came up with the Top 10 Client-Side performance problems in Web 2.0 applications I’ve seen when working with our dynaTrace AJAX Edition users.
Symptom: JavaScript blocking resource downloads and slowing page [...]

My mobile contract is expiring soon, so I went online and checked the different mobile companies for their offerings. All of these sites have a page where you get an overview of all the different phone models available. One one page I noticed that the list of phones started with an empty grid – and [...]

This is the English translation of my German article published on Create or Die today.
What factors make you think a web page is good or not? What keeps on that page longer than others? On the one hand it is the content on the page and whether this content is of interest to you. On [...]

A client of ours recently contacted me with the question: We use Keynote, WebPagetest and dynaTrace AJAX – but we get different results with these tools/services. WebPagetest tells us that our page is very slow – but dynaTrace on my local machine does not. What can be the problem here? What’s the difference?
I took a [...]

If you care about Web Performance then you should check if there is a local Web Performance Meetup Group in your area. Jonathan Klein just recently started a new Group in Boston. Sergey Chernyshev runs his Group in New York City.
Both guys invited me to give a detailed Hands-On overview of the latest dynaTrace AJAX [...]

I occasionally get invited to do JavaScript/AJAX Performance Workshops. Last week I spent two days with a group of dynaTrace AJAX Users that work in a performance task force group within their R&D Organization. I asked them about the reasons for this Client-Side Performance Initiative. They told me the following story:
One of our sales managers [...]

Last week’s Walkthrough Webinar on the new dynaTrace AJAX Edition 2.0 Beta 1 is now available for public access: View Webinar on ajax.dynatrace.com
If you have any feedback on either the new dynaTrace AJAX Edition or the Best Practice Documents then please use our Community Forum an let us know about it.
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JavaScript can save your day or it can cause you nightmares. JavaScript and XHR (XmlHttpRequest) enable what the industry considers to be Web 2.0 – meaning highly interactive web sites where some application logic is pushed down to the client into the browsers JavaScript engine. As with any application code – [...]

Over the last couple of years performance of web applications became more important to businesses as search engines (such as Google) factor in performance into their ranking. This ultimately leads to Performance == Better Visibility == More Users == More Revenue. Read more on Why Web Performance Optimization [...]

As announced last week in our Get involved in the dynaTrace AJAX Edition 2.0 Beta Program blog we are going to do a Walkthrough Webinar on Wednesday, June 30th. The webinar will be recorded and made available on http://ajax.dynatrace.com. If you join live it gives you the chance to address questions that you have in [...]