https://www.adtechdocs.com Clear, technically honest guides to the advertising technology stack — from your first impression to bidder architecture at scale. en https://www.adtechdocs.com/learn/start-here/advertising-technology https://www.adtechdocs.com/learn/start-here/advertising-technology What adtech means, why it exists, and the single question it answers several hundred thousand times a second. No assumed knowledge. start-here Thu, 12 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/foundations/marketing-funnel https://www.adtechdocs.com/learn/foundations/marketing-funnel Awareness, consideration, conversion and sales — what each stage is for, the metric that belongs to it, and why the funnel is a planning tool rather than a description of how people actually buy. foundations Thu, 12 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/supply-chain/curation-and-sell-side-targeting https://www.adtechdocs.com/learn/supply-chain/curation-and-sell-side-targeting Audience decisioning is migrating from the DSP to the SSP. Supply-side targeting spend doubled in 2025, Microsoft shut its DSP and kept its SSP, and the fee structure of programmatic is being renegotiated around it. supply-chain Thu, 12 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/identity/life-after-third-party-cookies https://www.adtechdocs.com/learn/identity/life-after-third-party-cookies Google spent five years building a replacement for the third-party cookie, then cancelled the deprecation and retired the replacement. What that reversal actually changed, and why the industry rebuilt itself anyway. identity Thu, 12 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/measurement/mmm-returns https://www.adtechdocs.com/learn/measurement/mmm-returns A 1960s regression became the post-privacy measurement of record. How MMM actually works, what adstock and saturation are doing, why it must be calibrated against experiments, and the failure modes that make a model confidently wrong. measurement Thu, 12 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/auctions/how-an-rtb-auction-works https://www.adtechdocs.com/learn/auctions/how-an-rtb-auction-works The OpenRTB request/response cycle end to end — what is in a bid request, how a DSP prices it in under a millisecond, and what the 100ms timeout really constrains. auctions Tue, 10 Nov 2026 00:00:00 GMT https://www.adtechdocs.com/learn/auctions/first-price-and-bid-shading https://www.adtechdocs.com/learn/auctions/first-price-and-bid-shading Why the industry abandoned second-price auctions, what that broke for buyers, and how shading algorithms reconstruct the price discipline that was lost. auctions Tue, 10 Nov 2026 00:00:00 GMT