Data analytics is the process of collecting, processing, and interpreting quantitative data to understand performance patterns and inform strategic decisions. On YouTube, data analytics covers a wide range of metrics — from views, watch time, and retention rate to impressions, click-through rate (CTR), and engagement rate. Unlike surface-level analytics, data analytics typically involves deeper segmentation, trend analysis, and benchmarking to identify what is driving growth or decline. It is the backbone of any performance-driven marketing strategy.