links for 10/06/2011

• Sourcemap: The Crowdsourced Directory of Product Supply Chains and Carbon Footprints

  Find out where things actually come from

  tags: supply chains sustainability sustainable+dev 2.0 crowdsourcing

• Improve The User Experience By Tracking Errors – Smashing UX Design

  It’s easy to see your top-visited pages, navigation patterns and conversion metrics using visitor-tracking tools like Google Analytics. However, this data doesn’t show the roadblocks that users typically run into on your website. Tracking and optimizing error messages will help you measurably improve your website’s user experience. We’ll walk through how to add error tracking using Google Analytics, with some code snippets. Then, we’ll assemble the data and analyze it to figure out how to improve your error message drop rates.
  via @thierry_lefort

  tags: UX webdesign errors

Posted from Diigo. The rest of my favorite links are here.