CPM, CPC, CPA, CPV — digital ad pricing models decide who carries the risk between publisher and advertiser. Here's what each one means, how they differ, and when each is used.
As third-party cookies fade, the industry needs a new way to recognize users across the web. Identity resolution and universal IDs are the answer — or answers, plural. Here's how they work, the main approaches, and why no single one has won.
A data clean room lets two parties combine their data to find overlap and measure results — without either side seeing the other's raw records. Here's how clean rooms work, what they're used for, and why they've become central to privacy-safe advertising.
Viewability tells you an ad could have been seen. Attention metrics try to measure whether it actually was. Here's what attention metrics are, how they're captured, what they get right, and the standardization problem still holding them back.
An ad that serves isn't an ad that's seen. Viewability measures whether an impression actually had a chance to be viewed. Here's the standard, how it's measured, where it falls short, and why attention metrics are pushing past it.
Not all programmatic is an open auction. Private marketplaces, preferred deals, and programmatic guaranteed give buyers and publishers more control and premium inventory. Here's how the four deal types differ and when each is used.
SSP, DSP, ad exchange, ad server — the programmatic acronyms describe who sits where in a single automated auction. Here's what each one does, how they connect, and how an impression travels from publisher to advertiser.
Real-time bidding is how a single ad impression is auctioned in the ~100 milliseconds a page takes to load. OpenRTB is the shared language that makes it possible. Here's how RTB works, step by step, and why OpenRTB matters.
Retail media networks let retailers sell advertising against their own shopper data and inventory. It's the fastest-growing channel in advertising. Here's what an RMN is, why retailers are racing to build them, and how they work on and off the retailer's site.
Contextual advertising matches ads to the content of the page rather than the identity of the user. Written off as crude a decade ago, it's had a renaissance — because it needs no cookies and modern AI understands content far better. Here's how it works.
The same impression can reach a buyer through a dozen different routes — at a dozen different prices and quality levels. Supply path optimization is how buyers pick the best one. Here's how SPO works and why it matters more than ever.
For 15 years machines ran the auction while humans set up the deal. That's flipping. Buyer agents are now negotiating directly with seller agents — and the real story isn't the AI, it's the protocol layer forming underneath it. CTV is the first proving ground.
First-party data is the information you collect directly from your own audience, with consent. As third-party signals erode, it's become the most durable asset in advertising. Here's what it is, how it differs from second- and third-party data, and how to use it.
Connected TV is the fastest-growing corner of programmatic — and the most confusing. Here's how CTV advertising actually works: the supply chain, the formats, SSAI, and why measurement and fraud are harder here than anywhere else.
Header bidding lets publishers offer inventory to many demand sources at once, before the ad server decides. Here's how it actually works — client-side vs. server-side vs. hybrid — and where it's heading in 2026.
When programmatic flipped to first-price auctions, buyers got a new job: never bid what they're actually willing to pay. Here's how bid shading works, what it costs publishers, and the one lever that fights back.
IAB Tech Lab's schain 1.1 proposal is out for public comment. Its core move — formally adopting hp=0 nodes — closes a years-old blind spot: the intermediaries that touch your bid request but never handle the money. Here's what it changes, and the two fights that will decide how far it goes.
AI agents are starting to browse, shop, and transact on behalf of real people. For ad tech, that breaks the oldest rule in fraud defense: automation is no longer the same as fraud. The mid-2026 state of agentic traffic.
Your floor price is the single most direct control you have over yield — and most publishers touch it quarterly, if that. Here's why static floors leak money, and what a real floor strategy looks like.
Google stopped trying to kill the third-party cookie — but the cookie is dying anyway, just unevenly. Where Privacy Sandbox, alternative IDs, and first-party data actually stand for publishers in mid-2026.
AI is arming both sides of the ad-fraud fight. CTV schemes are up 140%, automated traffic just passed humans, and 'is it a bot or an agent?' is the new detection problem. The June 2026 state of ad fraud.
ads.txt and sellers.json made the programmatic supply chain legible. In 2026, a transaction-ID fracture, a curation fight, and a new IAB Tech Lab council are redrawing the map. Here's the state of play.
Ad networks and ad exchanges both connect buyers and sellers, but they work differently. Networks aggregate and resell inventory in bundles; exchanges run a real-time auction on each impression. Here's the difference, the history, and where networks still fit.
Digital out-of-home is the digital screen in the physical world — billboards, transit, retail, elevators — and it's increasingly bought programmatically. Here's what DOOH and pDOOH are, how buying a one-to-many screen differs from web ads, and why it's growing.
Privacy law made consent a precondition for most ad targeting. Consent management platforms capture and pass that consent through the ad stream. Here's how CMPs, the IAB TCF, GDPR, and CCPA fit together — and why sloppy consent shrinks your addressable audience.
Frequency capping limits how many times a person sees the same ad. When it works, it prevents waste and annoyance; when it breaks — as it increasingly does without cookies — you get the ad that stalks you 40 times. Here's how it works and why it's getting harder.
Made-for-advertising sites exist to harvest ad revenue, not to serve readers — crammed with ads, cheap content, and bought traffic. Here's how to recognize MFA, why so much budget leaks into it, and how the industry is fighting back.
Brand safety keeps ads off harmful content; brand suitability tailors that line to each advertiser. Here's the difference, how blocklists and category controls work, why over-blocking hurts publishers, and how the field is moving from crude keywords to context.
Native advertising is paid media designed to match the look, feel, and function of the content around it. Here's what native is, the main formats, how it's bought programmatically, and the disclosure line that separates it from deception.
Video advertising runs on standards that let any player talk to any ad server. VAST is the core template; VPAID added interactivity (and problems); VMAP schedules breaks; SIMID and OMID are the modern successors. Here's how video ad serving works.
A DMP and a CDP both organize audience data, but for different purposes. DMPs powered anonymous third-party audience targeting; CDPs unify known, first-party customer data. Here's how they differ and why the CDP is ascendant.
An ad server stores creatives, decides which ad wins a given impression, delivers it, and counts the result. Here's what an ad server does, how first-party and third-party ad servers differ, and where it sits next to the programmatic auction.
Yield optimization is the discipline of maximizing revenue from a publisher's inventory — through floors, demand mix, formats, and timing. Here's what yield management means, the levers that drive it, and why the real gains are moving pre-auction.
Cookie syncing let different ad tech platforms agree that their separate IDs referred to the same user. Here's how the ID-matching handshake worked, why it was slow and leaky, and what's replacing it as third-party cookies disappear.
A walled garden is a platform that controls its own advertising end to end — inventory, data, and measurement — inside a closed ecosystem. Here's what walled gardens are, why advertisers both love and resent them, and how the open web competes.
Ad tech powers paid media; mar tech powers owned channels and customer relationships. The line was once clear and is now blurring. Here's what each stack does, where they differ, and why first-party data is pulling them together.
In-app advertising monetizes mobile apps through an SDK-and-mediation stack that's distinct from the web. Here's how mobile ad formats, mediation, and waterfalls vs. in-app bidding work — and why app identity and measurement differ from the browser.
Programmatic audio brings automated buying to streaming music, podcasts, and digital radio. Here's how audio ad serving works, why the screenless, one-listener environment is different, and what makes podcast advertising uniquely valuable.
DCO builds and tailors ad creative in real time, assembling the best combination of images, copy, and offers for each impression. Here's how dynamic creative optimization works, what it needs to run, and where it fits in programmatic.
SSAI stitches ads directly into a video stream on the server, so they play seamlessly like broadcast TV. Here's how server-side ad insertion works, why it's essential for CTV, and the measurement and fraud trade-offs it creates.
Prebid is the open-source framework that most header bidding runs on. Here's what Prebid.js, Prebid Server, and Prebid Mobile do, how the wrapper orchestrates the auction, and why an open standard came to dominate publisher monetization.
ads.txt, app-ads.txt, and sellers.json are plain-text files that let buyers verify who is authorized to sell a publisher's inventory. Here's what each file does, how they work together, and why they're the foundation of supply-chain transparency.
eCPM is the most-watched metric in publisher monetization. It's also one of the most misunderstood. Here's what to look for instead.
Most ad exchanges optimize after the auction ends. We thought the interesting work happens before it begins.
