You may be aware that certain websites tracks your activity when you are online to direct specific advertisements and many more. Sometimes it can act against your privacy. Sheepish is add-on extension for Google Chrome which will show you how many trackers are active on the website.
Once you have installed Sheepish, it show you the tracker details when you click the Sheepish button on the Chrome browser bar.
Even though Sheepish does not provide much functionality still this add-on is useful since users who care about their privacy online can know who all are watching them.
This add-on at present only supports Google Chrome Browser only.
Lear more/Grab this: Sheepish Add-on.