Identifying Cookie‑Less Visitors and Highlighting a Midnight UTC Flaw

The article describes a method to identify website visitors who lack cookies. It outlines how fingerprinting can be used as an alternative identifier. The author explains a flaw that occurs at midnight UTC. The issue affects time‑based tracking mechanisms. Mitigation strategies are suggested to avoid the flaw. The post emphasizes privacy considerations in cookieless identification. It provides code examples for implementation. Readers are encouraged to test the approach on their own sites.