Not so long ago, running ads online was a much more manual process. Marketers chose placements, audiences, creatives, budgets – and success ultimately depended on human judgement.聽
Today, it鈥檚 the opposite. Platforms like Google and Meta are powered by algorithms that learn and optimise in real time, making decisions, allocating spend, picking audiences, and fine-tuning campaigns automatically.
But those algorithms are only as intelligent as the data they鈥檙e fed. The information coming back from your website and apps – every product view, add-to-cart, checkout and purchase – is the fuel. And if that fuel is contaminated, the whole machine starts to misfire.
eCommerce brands obsess over creative, product, UX and ad campaigns – but there鈥檚 a hidden threat quietly draining revenue from beneath their feet: broken conversion tracking.
It may not make headlines, but tracking is the backbone of any eCommerce business that invests in (and relies on) digital advertising. It ensures customer interactions are recorded and fed back into the ad platforms. That鈥檚 the data powering campaign optimisation and ad spend efficiency.
However, the majority of brands overlook it, relying instead on basic 鈥渙ne-click鈥� solutions that fail – frequently. (We should know – we鈥檝e audited 100s of ecom sites).
That means the 鈥榮ignals鈥� being sent back to ad platforms are often incomplete, duplicated or missing altogether. In other words, the very actions that are supposed to tell platforms what鈥檚 working – and where to spend more – can鈥檛 be trusted.
And what does that actually mean for brands?
Ad platforms optimise on bad data. When Meta or Google Ads receive incorrect information, their algorithms still dutifully optimise – just against the wrong goal.聽
If a purchase event isn鈥檛 recorded, the platform assumes that campaign didn鈥檛 work and pulls budget away from it. If a false event fires, it pours more spend into audiences that look successful on paper but aren鈥檛 delivering in reality. The result is an invisible drift, where campaigns slowly but surely get steered off course.
And budgets are wasted. For brands spending tens or hundreds of thousands of pounds each month, even a 10% error rate can mean eye-watering sums being flushed away, as money flows into segments of users who look like buyers but aren鈥檛.
It goes beyond the ads too, with broken tracking impacting broader strategic decision-making.
Leadership teams rely on performance metrics to shape everything from growth forecasts to hiring plans, but every revenue, ROAS, and LTV calculation depends on reliable tracking.聽
When that tracking is broken, analytics dashboards become distorted mirrors, often reflecting different information to ad and eCommerce platforms. Strategy stops being data-driven and becomes little more than educated guesswork.
Billions in digital ad spend is deployed by ambitious DTC brands every month, but much of that investment is being channelled through faulty pipes.
Bad tracking means wasted spend and broken strategies. But good tracking means clarity, confidence, and campaigns that scale with precision.
eCommerce brands need to treat tracking with the same care they give to creative or product. It needs to be cleaned up, checked regularly, and kept front of mind. Because in a market where margins are tightening and consumer behaviour is shifting, broken tracking isn鈥檛 some niche technical issue. It鈥檚 the silent killer of eCommerce performance.
Gilbert Corrales is the CEO of