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Notes on brand bidding and ad hijacking, from someone who reads the redirect chains

Three pieces on what brand bidding actually costs, how to trace a redirect chain yourself, and why the clause against it in most affiliate agreements rarely does what everyone assumes it does.

The theory library

A reading map for brand protection

Three articles, five ideas that connect them. Drag the scene, or pick a topic, to see how the economics, the evidence and the contract side of brand protection fit together, and which piece unpacks each one. For the product side, see how BrandPatrol works.

  1. An intercepted branded-search commission looks identical to a sale the affiliate genuinely sourced: same report, same column, same conversion. What brand bidding actually costs you shows why it passes for normal performance.

  2. Every extra bidder on your own brand term pushes the auction floor up, so you can pay more per click on your own name even if you lose no clicks. The cost article treats it as directionally real, not a number to quote to a board.

  3. The identifying parameter usually sits on the network's tracking hop, not the final URL. How to read a redirect chain walks through each hop and the traps that catch people checking by hand.

  4. Almost every affiliate agreement already bans brand bidding, yet the clause rarely gets checked. The brand-bidding clause in your affiliate terms explains why it does so little work in practice.

  5. A written warning first, then commission clawed back on the flagged conversions, then probation with monitoring, with termination at the end of the ladder rather than the start.

This is the starting point for all three pieces below: ads on branded searches, sorted into the brand's own, affiliates with an ID in the chain, and hijackers with none.

What brand bidding actually costs you

The accounting illusion that makes an intercepted branded-search commission look like normal performance, plus the auction effect it creates on your own CPCs.

By BrandPatrol · 18 September 2026 · 9 min read

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How to read a redirect chain

Where the affiliate identifier actually lives in a redirect chain, why the final URL alone proves nothing, and the traps that catch people checking one by hand.

By BrandPatrol · 18 September 2026 · 8 min read

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The brand-bidding clause in your affiliate terms is probably unenforceable in practice

Why the clause almost every affiliate program already has rarely gets enforced, and a more realistic remedy ladder than jumping straight to termination.

By BrandPatrol · 18 September 2026 · 8 min read

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Reading list questions

Brand protection basics, answered

Short answers that pull the main ideas out of the three articles above. To see the method in action, read how it works or check the FAQ.

Where should I start reading about brand bidding and ad hijacking?

Start with what brand bidding actually costs you to understand the economics, then read how to read a redirect chain for the evidence side. Finish with the affiliate terms article for why the clause against it rarely works and what to do instead.

What does a first brand-bidding scan typically find?

It varies by program. In one example, a first pass for a supplement brand across three countries ran 200 search sweeps, recorded 734 ad observations and resolved them into 40 cases: 31 were the brand's own affiliates and 9 were hijackers. That is one program's result, not an industry average.

What is last-click attribution, and why does it favor brand bidders?

Most affiliate programs pay on a last-click basis inside a cookie window, often 30 days. A shopper can research for weeks, then click a coupon-site ad on your brand name just before checkout, and that last click takes the sale and the commission even though the affiliate contributed nothing earlier.

What is a cloaking hop in an ad redirect chain?

It is an extra hop that decides where the click goes based on the visitor's country, device or whether they look like a real browser. Not every chain has one. When it does, a check from a single location sees only one version, sometimes a harmless-looking page.

Can an affiliate ID point to the wrong party?

Yes. Many network structures let a top-level affiliate run sub-affiliates or sub-IDs, so the parameter you pull from a chain may identify a small publisher working under someone else's account. Check that before naming a specific partner in a complaint, because the mistake is hard to walk back.

What is the difference between a legitimate affiliate and a brand bidder?

A legitimate affiliate creates or rescues demand: an honest review, a coupon page catching an abandoning cart, a newsletter introducing your product. A brand bidder creates nothing. It sits in front of demand you already had and takes a fee to let it through.

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