SeersAi

Facebook advertisers across Europe, the US and other regulated markets are seeing a growing problem. More visitors are declining cookies on websites. Each decline stops the Facebook Pixel from recording that session. Conversion reports show less data than before. Campaign ROAS looks weaker, and the bidding algorithm gets fewer signals to work with. Meta Consent Mode is Meta's answer to this problem. When a user declines cookies, the standard Facebook Pixel fires nothing. Meta Consent Mode changes that behaviour. It tells the Pixel to send a reduced, privacy-safe signal to Meta even after a decline. Meta uses these reduced signals alongside conversion modelling to estimate what happened in those sessions, without identifying any individual user. The result is that your conversion reporting stays accurate even when a significant portion of your site visitors say no to tracking. Your attributed conversions reflect real business outcomes more closely. What this means for ROAS and biddi...

  If you run Amazon Ads for your ecommerce store, your campaign data already has gaps in it. Every time a shopper clicks "reject all" on your cookie consent banner, Amazon stops receiving tracking data for that session. Amazon Consent Signal (ACS) is the mechanism that tells Amazon what a visitor chose and keeps your ad performance measurable. This is not a minor technical detail. According to the Seers AI ecommerce blog , ecommerce brands lose nearly half their visitor-level data without consent signals in place. For a store spending thousands on Sponsored Products or DSP campaigns, that gap translates directly into wasted budget and inaccurate reporting. What Amazon Consent Signal Actually Does ACS sends three pieces of information to Amazon's advertising systems. The first is whether the shopper approved processing of their personal data. The second is whether they approved ad-related data storage. The third is their country code, which helps Amazon apply the corre...

If you run paid campaigns on Amazon, you have probably noticed something strange this year. The ad dashboard says one thing. Seller Central says another. The gap has been widening for months, and no amount of creative testing or bid tweaking closes it. You are not imagining it. You are not alone, either. The Pattern Most Teams Miss The conversation usually goes the same way. Marketing blames creative fatigue. Creative blames the algorithm. The algorithm gets blamed for everything. Meanwhile, the actual leak is sitting inside a tool nobody on the team really owns — the cookie consent banner on your website. What Quietly Changed in 2026 Amazon now only fully trusts user consent when it arrives through its official path, called the Amazon Consent Signal (ACS). Cookie tools that were not certified by Amazon often send hardcoded or incomplete signals. Amazon then defaults to restricted tracking, and large pieces of your campaign data quietly fall away. The sales still happen. The dashb...