How to identify and engage anonymous website visitors
97% of your visitors leave without buying — and the industry built to identify them is split into two camps. One buys email addresses from third-party data brokers with spam rates 50–125x the ecommerce average. The other recognizes your own customers when they return, using server-side tracking your ESP can't do alone. This guide breaks down identity graphs, confidence scoring, data decay, and the match-rate math most vendors hope you never run.
