Why does Opera's built-in ad blocker let ads through?

Many Opera browser users are frustrated to find that the native ad blocker still allows video ads on popular portals or specific sponsored banners in search engines.

The limitations of commercial allowlists

Built-in blockers often participate in corporate deals to allow 'Acceptable Ads.' AdBlock Network is completely independent. The extension performs asynchronous, read-only requests to multiple independent endpoints to update its firewall, ensuring that blocking at the Address layer remains free from commercial compromises.