YouTube performance tracking template for Looker Studio focused on the metrics that matter: views, watch time, average view duration, engagement rate, likes, comments, shares, and subscribers gained/lost (plus optional ad spend). Break down results by video, category, audience demographics, geography, traffic source, and device to pinpoint growth opportunities. Visualize channel trends and compare videos with a detailed table including thumbnails and total watch time to spot winners and underperformers. Use the insights to refine content strategy, optimize promotion, and report impact to stakeholders.