This proposal defines a potential future standard as an addition to those currently developed by the W3C Web Performance Working Group. It’s goal to gain visibility into JavaScript execution via a browser provided API accessible via JavaScript. Motivation Current specifications of the Web Performance Working cover page loading related metrics. They however lack insight the [...]

The increasing adoption of mobile applications as part of a company’s online services leads to the question whether we need to monitor like other parts of our IT infrastructure. As they are part of our shipped application services we need to ensure they are working properly. However, not every application must be monitored the same [...]

The success of the Web performance movement shows that there is increasing interest and value in fast websites. That faster websites lead to more revenue and reduced costs is a well proven fact today. So being exceptionally fast is becoming the dogma for developing web applications. But what is exceptionally fast and how hard is [...]

The W3C Navigation Timing API has found its way into most modern browsers. It is also now already party supported in Firefox mobile and fully support on new Windows Mobile Phones. While this is a great step forward it should at the moment still be used with care. We at dynaTrace started  using the Navigation [...]

Testing mobile web sites on the actual device is still a challenge. While tools like dynaTrace Ajax Edition make it very easy to get detailed performance data from desktop browsers, we do not have the same luxury for mobile. I was wondering whether desktop tooling can be used for analyzing and optimizing mobile sites. My idea was [...]