There is no single honest number for bot traffic in native advertising — it ranges from negligible to campaign-killing depending on where in the supply chain you buy. Here is how the risk actually distributes, and how to measure yours.
Every paid channel leaves fingerprints. Work through four evidence layers — landing URLs, official libraries, redirect chains, observed placements — and a competitor's channel mix falls out in under an hour.
Copycat landing pages borrow a trusted brand's logo and tone to launder a scam through native-ad networks, and here is the practitioner's method for catching them with evidence anyone can verify.
Native ad fraud hides in the gap between the widget you see and the advertiser you don't, so here are the fraud types that matter and the supply-chain and landing-page signals that surface them.
The best native ad spy tools don't screenshot pages; they read the same JSON feed the widget calls, store the full-quality creative, and trace the click to the landing page without ever spending an advertiser's budget. Here's exactly how.
Resold inventory is ad space one company buys from a publisher and sells to advertisers, often sourced from a separate demand partner.
Supply Path Optimization (SPO) is the practice of choosing the shortest, cheapest, and most transparent route to buy a given ad impression.
The ad supply chain is the chain of intermediaries an ad passes through between the advertiser who pays and the publisher page where it appears.
The SupplyChain Object (schain) is an OpenRTB field that lists, in order, every intermediary an impression passed through before reaching the buyer.
sellers.json is a public file that exchanges and SSPs publish to reveal the sellers and intermediaries authorized to sell inventory through them.
ads.txt is a public file publishers host to declare exactly which companies are authorized to sell their ad inventory.
