Get advertising leaderboard preview

Returns the top 10 advertising sponsors of the trailing 7 days ranked by the chosen metric, each with its rank movement versus the equivalent 7-day window ending 30 days ago. Every caller gets the same board regardless of plan, so unlike get-advertising-leaderboard this endpoint requires no premium access and is safe to render for signed-out visitors. Use get-advertising-leaderboard for deeper pages, other time windows, and company or publisher filtering.