Ecommerce analytics for new product launch tracking means monitoring sell-through velocity, channel performance, and early customer signals daily for the first two weeks after launch, since that window predicts most of a new product's full-cycle performance well enough to act on. A launch that looks strong in total revenue can still be quietly underperforming against its inventory position, and the only way to catch that in time is watching the right numbers from day one, not day thirty.

A pet supplements brand we'll reference here launched a new joint-health line into a category it hadn't sold in before, backed by a six-figure inventory commitment and a dedicated launch budget across Meta and Google. The first week's revenue looked promising. The underlying data told a more complicated story.