April 27, 2010

Asynchronous Code Experimental Results
Google Analytics introduced asynchronous tracking in Dec 2009 as an "alternate way to track your website". According to Google, this code is processed separately and can execute without blocking other code or content. This allows the Analytics code to be placed higher in the page, unlike the traditional code.

The asynchronous tracking snippet is said to offer the following benefits:
  • Faster overall page load time
  • Improved data collection for short visits to rich media or script-heavy pages
  • Collecting (and retaining) user clicks that occur before the tracking code loads
We decided to test Google's claim that the new code snippet improves page load time. Here's what we found.

Problem: To study the effect of using the ... Read more...

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