This feature breaks websites. Do not leave it enabled, unless you are prepared to manually allowlist any affected domains.
Disable
Advanced
Cancel intercepted request if the required resource is not locally available.
If you use the rules of the rule generator, requests to "fonts.googleapis.com" are allowed to substitute "Google Material Icons" automatically. If you want to block the other requests, enable this option.
These domains are allowed to load Google Fonts. Separate multiple entries with semi-colons (;).
Open "Browser Console" ( CTRL + SHIFT + J ) to show missing resources
Do not apply HTML filter to these domains:
Apply HTML filter to these domains:
Enter the domains to be handled or ignored by the HTML filter. Separate multiple entries with semi-colons (;).
Advanced
Enable this option to always apply the HTML filter. The domains in the list will be ignored then. If this option is disabled, the HTML filter is only applied to domains in the list.