{"page":"/blog/dco-html5-creative-pipelines","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Where it serves","What renders the ad","What to check"],"rows":[["DSP with HTML5 upload (for example DV360)","The DSP's ad server returns your ZIP's HTML","clickTag, 5 MB download, 100 HTTP calls, 30 s animation"],["Third-party ad server tag in a DSP","A creative wrapper or tag calls your ad server, which calls the DCO platform","Extra hop latency; macros for click and impression tracking passed through"],["Publisher ad server after header bidding","Prebid Universal Creative pulls the winning ad from Prebid's cache","SafeFrame or iframe path; correct size; hb_format key-value"],["In-app","SDK web view, often MRAID","MRAID version support; OM SDK integration"],["CTV and video players","Player loads VAST, then the SIMID file if supported","SIMID support on the device; fallback to linear video"]],"sourceUrls":[[],[],[],[],[]]}