Click the kebab (menu) button, then select Advanced Blocking. Your My Ghostery Blocking Options opens in a new tab.
Here, you can Block/Unblock All trackers in each category. Simply click the checkbox next to each category to Block All trackers in that category. A red check mark appears. Click the checkbox again to Unblock All trackers in the category.
Any changes made at the category level will affect all the trackers in that category.
You can also Unblock All or Block All categories with one click by clicking the ‘Unblock All’ or ‘Block All' links at the top of the page.