Performance, Scalability, Architecture - DynaTrace

After spending a lot of time focusing on Client-Side Web 2.0 Performance Problems it is time to focus on specific Server-Side Performance Problems. Last week I worked with a client that runs a custom application on Microsoft CRM 4.0 and experienced performance problems in their test environment. Individual web requests to query or update data [...]

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 [...]

This is a two part article – also read Combining Analytics with Performance Management Data. I use Google Analytics every day to look at Key Web Performance Metrics to answer questions like: How many people visit our blog? I look at the Visitor Overview which shows me how many Visitors and Unique Visitors we have Did they find us [...]

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 [...]

At Velocity we announced dynaTrace Ajax Edition 2.0 beta 1 (watch the Lightning demo). Besides other great features (see the complete walkthrough video) we have added support for automatically uploading measurement results to ShowSlow.com. We have worked over the last couple of weeks to automate this process and now continuously upload performance metrics to ShowSlow. So [...]

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 [...]

Measurement is the most central concept in any performance-related activity. If you are not measuring you are blind. As important as measuring per se is collecting the right measurements. Which metrics are the right ones depends on what you want to do. However there are some general principles which – when followed – can make [...]

During last weeks webinar – Charlie Weiblen from IntraLinks talked about how the manage performance of their SaaS running in their private cloud. You should listen to the full recorded webinar to learn more on how they transformed from traditional performance monitoring to performance management. As a teaser to the webinar I want you to watch [...]

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 [...]

An Oracle database provides several v$ views to query information about the database instance, including statistical information that can be used for monitoring and problem analysis purposes. Rene Nyffenegger wrote a nice Summary on Oracle’s v$ views that gives an overview of all available views. The following illustration shows [...]

dynaTrace Forums have been launched to give the community a new platform to interact. dynaTrace AJAX community members will get access to the dynaTrace AJAX Forums – commercial dynaTrace community members will additionally get access to the dynaTrace APM Forums. Whether you have feedback on dynaTrace, feedback or ideas for new dynaTrace Community Plugins [...]

I am hosting a Webinar with IntraLinks this Wednesday. The following overview of the webinar is taken from the guest blog I wrote for the IntraLinks blog as posted on July 13th 2010: —- The Cloud has become the hot topic in the past year, with many major technology leaders (Amazon, Google, Microsoft, SalesForce.com, etc.) [...]

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. //

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 [...]

Velocity was probably the best stage for this announcement and it was great that we got a slot on the Lightening Demo’s to show what’s new from dynaTrace. The dynaTrace Labs team has worked hard on the next version of the dynaTrace AJAX Edition. Since its inception, dynaTrace AJAX Edition got a lot of great and [...]

Velocity 2010, Web Performance & Optimization Conference takes place in Santa Clara, CA next week from Tuesday, 22nd till Thursday 24th of June. We are proud that we are not only going to be there with a booth but that both my colleague Alois and I are hosting the following sessions: Tuesday, 7:30pm: Best Practices with [...]