SSP to DSP Cookie Syncing Explained | Ad Ops InsiderThe matching process of the SSP cookie ID to the DSP cookie ID happens through a parallel process to serving ads called cookie syncing. A cookie sync is necessary because as a standard security process, web servers of any kind can only request cookies that are set to their own domain. Since the SSP sits between the end-user and all the DSP bidders in a real-time auction however, the DSP needs a wa
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