This is the format of segments pixel tags.
|add||Comma separated list of segment ID:value combinations to add the user to. The value is an integer value and is optional with a default of 0.|
|del||Comma separated list of segment IDs to remove the user from.|
|redir||Optional URL to redirect to (piggyback). Note that this value must be URL encoded.|
|gif||Optional, return a 1×1 transparent gif instead of 204 No Content.|
Adding the user to segment 13 with a value of 37 and segment 16 with a value of 0, and deleting the user from segement 12.
Adding or deleting a user from these segments does nothing.
|1|| Birthday segment
This segment has the same age as the user's cookie.