The data layer management tool..
data layer doctor is a data layer management systsem.
This extension lets you quickly check the contents of a data layer and verify it against pre written specifications.
This extension should be used in conjunction with the data layer doctor technology found at http://www.datalayerdoctor.com.
Display the contents of a w3c-compliant Data Layer within the console
Waaila Tracking Validator is troubleshooting tool that helps you validate and test your analytics implementation.
Simple extension for displaying the data layer of a website.
GDDL QA Tool
This extension provides access to a page's data layer
It's easy to track time now by using Time Doctor chrome extension
This extension helps to debug Digital Data Layer events
Say Hello To Productivity
Visualization and analytics tools for moving data
Triple-Layer extension for Google Chrome