Short, sourced explainers on the standards and signals behind programmatic buying, from the Vectravia team.https://vectravia.pages.dev/en-ushttps://vectravia.pages.dev/resources/insights/chrome-keeps-third-party-cookies/https://vectravia.pages.dev/resources/insights/chrome-keeps-third-party-cookies/Google said in April 2025 that Chrome keeps its cookie choice and adds no new prompt. What is true as of October 2, 2026, and why buyers still plan ahead.Fri, 02 Oct 2026 00:00:00 GMTPrivacy and identityhttps://vectravia.pages.dev/resources/insights/privacy-sandbox-wind-down/https://vectravia.pages.dev/resources/insights/privacy-sandbox-wind-down/Google is retiring Topics, Protected Audience and Attribution Reporting while CHIPS, FedCM and Private State Tokens stay. Status as of October 2, 2026.Fri, 02 Oct 2026 00:00:00 GMTPrivacy and identityhttps://vectravia.pages.dev/resources/insights/openrtb-2-6-explained/https://vectravia.pages.dev/resources/insights/openrtb-2-6-explained/OpenRTB 2.6 is the current 2.x line. Learn what it added for ad pods, channels, user agents and out-of-home screens, and how the 2.6-YYYYMM releases work.Fri, 02 Oct 2026 00:00:00 GMTStandardshttps://vectravia.pages.dev/resources/insights/ads-txt-1-1-what-dsps-read/https://vectravia.pages.dev/resources/insights/ads-txt-1-1-what-dsps-read/ads.txt 1.1 lists who may sell a publisher's inventory. See how DSPs read DIRECT and RESELLER records, OWNERDOMAIN, MANAGERDOMAIN and app-ads.txt for CTV.Fri, 02 Oct 2026 00:00:00 GMTSupply chainhttps://vectravia.pages.dev/resources/insights/sellers-json-and-supplychain-object/https://vectravia.pages.dev/resources/insights/sellers-json-and-supplychain-object/sellers.json and the SupplyChain object let a DSP trace a bid request to its seller. See how ads.txt, sellers.json and schain nodes cross-check in one example.Fri, 02 Oct 2026 00:00:00 GMTSupply chainhttps://vectravia.pages.dev/resources/insights/supplychain-v1-1-technical-custody/https://vectravia.pages.dev/resources/insights/supplychain-v1-1-technical-custody/IAB Tech Lab proposed SupplyChain v1.1 to add custody-taking entities as hp=0 nodes. See where the draft stands as of October 2, 2026 and what it may change.Fri, 02 Oct 2026 00:00:00 GMTSupply chainhttps://vectravia.pages.dev/resources/insights/supply-path-optimization-basics/https://vectravia.pages.dev/resources/insights/supply-path-optimization-basics/Supply path optimization steers spend to shorter, verified routes to inventory. See the Tech Lab definition, the evidence a DSP uses and what ANA studies found.Fri, 02 Oct 2026 00:00:00 GMTSupply chainhttps://vectravia.pages.dev/resources/insights/global-privacy-protocol-gpp/https://vectravia.pages.dev/resources/insights/global-privacy-protocol-gpp/GPP carries privacy and consent signals for many laws in one format. How sections work, the 2025 rename, and state updates still in draft as of October 2, 2026.Fri, 02 Oct 2026 00:00:00 GMTPrivacy and identityhttps://vectravia.pages.dev/resources/insights/mrc-viewability-thresholds/https://vectravia.pages.dev/resources/insights/mrc-viewability-thresholds/The MRC counts display ads as viewable at 50 percent of pixels for one second and video ads at two seconds. Here is the rule, its exception and its limits.Fri, 02 Oct 2026 00:00:00 GMTMeasurementhttps://vectravia.pages.dev/resources/insights/tag-seals-explained/https://vectravia.pages.dev/resources/insights/tag-seals-explained/TAG runs four seal programs: Fraud, Malvertising, Brand Safety and Transparency. Here is what each seal covers, what Platinum means and what a buyer can check.Fri, 02 Oct 2026 00:00:00 GMTTrust and safetyhttps://vectravia.pages.dev/resources/insights/uid2-for-dsps/https://vectravia.pages.dev/resources/insights/uid2-for-dsps/A DSP gets UID2 tokens in bid requests, decrypts them to raw UID2 values with a server-side SDK and must skip any opted-out UID2. The flow, step by step.Fri, 02 Oct 2026 00:00:00 GMTPrivacy and identityhttps://vectravia.pages.dev/resources/insights/seller-defined-audiences/https://vectravia.pages.dev/resources/insights/seller-defined-audiences/Seller-defined audiences let publishers send taxonomy IDs in OpenRTB, and segtax names the taxonomy. How cohorts are built and read as of October 2, 2026.Fri, 02 Oct 2026 00:00:00 GMTPrivacy and identityhttps://vectravia.pages.dev/resources/insights/ctv-buying-basics/https://vectravia.pages.dev/resources/insights/ctv-buying-basics/A CTV ad break is a pod of slots. This primer covers pod types, the ssai signal, app-ads.txt checks for CTV apps and newer ad format signals a buyer will see.Fri, 02 Oct 2026 00:00:00 GMTChannelshttps://vectravia.pages.dev/resources/insights/dooh-buying-basics/https://vectravia.pages.dev/resources/insights/dooh-buying-basics/In programmatic DOOH, one screen play can count as many impressions or a fraction of one. See how the DOOH object and Qty multiplier carry and price it.Fri, 02 Oct 2026 00:00:00 GMTChannelshttps://vectravia.pages.dev/resources/insights/made-for-advertising-explained/https://vectravia.pages.dev/resources/insights/made-for-advertising-explained/Made-for-advertising sites are built to sell ads. Here is the ANA, 4A's, WFA and ISBA definition and the 2023 and 2026 ANA figures, with each study's scope.Fri, 02 Oct 2026 00:00:00 GMTTrust and safety