{"page":"/blog/demand-path-optimization","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Field","Meaning"],"rows":[["ads_txt_relationship, sellers_json_seller_type","Copied from your ads.txt line and the SSP's sellers.json entry for this seller ID"],["schain_nodes, schain_complete","Read from source.schain in the bid request, as defined in OpenRTB 2.6"],["auctions_only_this_path_bid","The numerator of unique bid share; needs an auction-level join across paths"],["buyer_spend_usd","Often unknown; leave it null rather than guess, and take rate becomes null too"],["metrics.unique_bid_share","21,000 ÷ 4,200,000 = 0.5% in this example: a strong cut candidate"]],"sourceUrls":[[],["https://github.com/InteractiveAdvertisingBureau/openrtb2.x/blob/main/2.6.md"],[],[],[]]}