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Antivirus Add-On for IE Causing Load Time Problems
Can cause five times slower page load times
By: Andreas Grabner
Dec. 3, 2010 07:00 AM
The dynaTrace AJAX Community has been really active lately – with lots of great forum posts and “discoveries”. As the Community Lead I want to update you about the recent activities as there are several topics that should be interesting for everybody that is interested in Web Performance:
Antivirus Software to cause page load times to slow by 5x
The phenomenon was that when dynaTrace AJAX was enabled, page load time was about five times faster than without dynaTrace. Sounds almost like the perfect sales pitch – right
We exchanged sample HTML files in order for me to reproduce the problem to identify what dynaTrace does underneath the covers that speeds up web performance. I couldn’t reproduce it which led us to the conclusion that there must be something else on their machines that slowed down the page load time when dynaTrace is not enabled. Last week Pedro and Frank came back to me as they figured out what the problem was. In his final comment Pedro says “We have finally found the source of the problem. The McAfee corporate antivirus was checking the scripts and hence slowing down the rendering of the page, and it seems that dynaTrace somehow disabled the antivirus making load times much faster. Thanks Andreas for your support. Pedro.”
Why is it faster with dynaTrace enabled?
What does this mean for you?
Skype Plugin to also slow down page load time
Other Interesting Forum Posts
Thanks for being active in the dynaTrace Community. Keep the posts coming!
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