Methods and apparatus to measure exposure to streaming media are disclosed. An example method includes detecting an ID3 tag associated with streaming media presented at a client device. Data is extracted from a first field of the ID3 tag. The data from the first field of the ID3 tag is processed to generate a first request directed to a first internet domain, the first internet domain based on the data, the first request including a media identifier from a second field of the ID3 tag, the second field of the ID3 tag separate from the first field of the ID3 tag, the media identifier identifying the streaming media. In response to the detection of the ID3 tag, the first request is sent from the client device to the first internet domain.