This feature can be accessed from the ⚙️ More Options Button.
In Block URLs Text Field, you need to enter one URL per line. This field also accepts wildcard.
Here are some examples:
Block Google Analytics
Block All resources from JSDelivr CDN
Block All Images from a WordPress Site
Block All Resources from all Subdomains of google.com
Block all PNG Images
Block all CSS Files
Make sure you only enter One URL Per Line. Press the Enter/Return Key to go to the next line. You can enter a maximum of 10 URLs in this field.
Here's an example of how the text field should look like if multiple URLs are blocked:
Block Google Analytics & Facebook Pixel