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.