Adfinity Studio
Measurement

The pixel you forgot: what a ₹1,710 test taught us about measurement.

A split test showed a 2.4× CTR difference. The real finding was something the ad account couldn't see.

By Adfinity StudioAug 20264 min read

When TaxByKK launched its ₹125/month MCP connector, we ran a simple test: the same three creatives, shown to two audiences — a broad 20-city audience and a tighter Tier 1 & 2 audience.

The result looked clear

Over 30 days and roughly ₹1,710 of spend, the Tier 1 & 2 campaign achieved a 2.85% CTR against 1.17% — 2.4× higher. It also cost about 5.5× more per thousand impressions (~₹120 vs ~₹22 CPM).

So which campaign won? The honest answer: we couldn't know.

Clicks tell you what people are curious about. Only conversions tell you what they'll pay for.

The missing piece

The Meta Pixel wasn't installed on the destination. No sign-ups, no purchases, no leads could be attributed to either audience. Meta's algorithm couldn't optimise toward buyers either — it could only find more clickers.

A higher CTR at a much higher CPM might be a bargain if those people convert, or a waste if they don't. Without conversion data, scaling either campaign would have been a guess with a budget attached.

What to check in your own account today

  • Is the Pixel (and ideally the Conversions API) firing on your key action?
  • Are campaigns optimising for that action, or for clicks?
  • Can you connect an enquiry on WhatsApp back to the ad that created it?

If the answer to any of these is "not sure", fix measurement before you fix media. It's the cheapest growth win there is.

Next step

Let's build your growth engine.

Tell us where growth is stuck. We'll tell you honestly whether we can fix it — and what it would take.

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