Labeling a native ad widget works best when it is clear without feeling distracting. Simple labels like Sponsored, Promoted, or Recommended by a Partner help readers understand what they are clicking while maintaining trust. If the label is too subtle, people may feel misled after clicking, which can hurt long-term engagement. If it is overly bold or intrusive, users may ignore the widget entirely. Testing different wording, placement, and styling can reveal what balances transparency with performance. Watching click-through rates, bounce rates, and user feedback provides useful signals about effectiveness.