After first installing this addon you must go to the settings page via about:addons and create your list of domains.

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 0
• Average daily users: 43
• Rating: 4.6667/5 of 9 ratings
• Created: 2017-02-07 09:47:55
• Last updated: 2017-07-06 01:15:24
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/history-zebra/
• API: history-whitelist@kafene.org