You are tracked via web beacons, tracking pixels, browser fingerprinting, and/or device fingerprinting
The privacy policy states, that VRChat: "[...] may also automatically record certain information from your device by using various types of technology, including “tracking pixels" or “web beacons. [...] We may also display third-party content on the Platform. Third-party content may use cookies, web beacons, or other mechanisms for obtaining data in connection with your viewing of the third-party content on the Platform. Additionally, we may implement third-party buttons (such as Facebook “like” or “share” buttons) that may function as web beacons even when you do not interact with the button. Information collected through third-party web beacons and buttons is collected directly by these third parties, not by VRChat. Information collected by a third party in this manner is subject to that third party’s own data collection, use, and disclosure policies".