1 — Execution without direction
The most common mistake and the hardest to spot, because it looks like activity. Posts go out, ads run, designs get made — and nobody can connect any of it to a business goal.
The signal: ask three people in the company what marketing is trying to achieve this quarter and get three different answers.
The fix: one objective per period, and one metric measuring it. Not five objectives — one. Clarity here is more useful than ambition.
2 — Talking to everyone
When the audience is defined as "anyone who might buy", the message has to be generic, and generic messages are ignored by everyone equally.
The signal: your ad copy would work with your competitor's name substituted and nobody would notice.
The fix: write for one defined segment with its own triggers and objections. Narrowing feels like a risk and is usually cheaper and more effective.
3 — A big budget behind weak creative
The most expensive mistake financially. The platform efficiently delivers your ad to thousands of people, the ad convinces nobody, and the whole spend converts into data about a design failure.
The signal: excellent reach and a low click rate. The platform is doing its job; the creative is not.
The fix: move part of the distribution budget into production, and test several creatives instead of one. Saving a few thousand on production while spending multiples of it on distribution is the worst trade available.
4 — Broken or missing measurement
You cannot optimise what you cannot see accurately. In a large share of the accounts we have audited, the first real improvement came from fixing measurement rather than changing targeting.
The signal: what the platforms claim, added together, exceeds your actual sales. Or conversions counted twice. Or WhatsApp sales not appearing at all.
The fix: verify pixels and events before increasing any budget. More on this in measuring advertising results.
5 — A good ad and a bad page
The most ignored leak. The ad persuades someone to click, then the page loses them in seconds.
The signal: a good click rate and low conversion. The problem is after the click, not before it.
The fix: check mobile speed, whether the page delivers exactly what the ad promised, how many form fields there are, and whether the action is obvious. Add your team's response time to that list — an enquiry left for three days is effectively dead.
6 — One ad running for months
Creative fatigues. The same audience sees the same ad repeatedly and stops seeing it, while the price for the same result climbs.
The signal: performance decaying slowly for no obvious reason, and the attempted fix is a higher budget.
The fix: test one variable at a time — the idea, the format, or the offer — and keep a record of what was tried. Raising the budget on a fatigued ad only accelerates the burn.
7 — Judging by vanity metrics
Followers, views and reach describe activity. All of them can rise while your sales stay flat.
The signal: reports full of numbers containing not one number about the business itself.
The fix: put one commercial number at the top of every report — qualified leads, cost per acquisition, or revenue. Let everything else be context explaining it rather than a substitute for it.
And the mistake underneath them all
Most of the above are symptoms of one cause: judging before gathering enough, or changing before learning.
Some companies stop a campaign after days; others leave one running for months unexamined. Both lose the same thing — the ability to know what worked and why. The companies that make progress do something boring: change one thing, wait for enough data, record the result, repeat.
Questions
Frequently asked
We've spent a lot with no results. Where do we start?
With measurement, not creative. Verify that what you are seeing is accurate before concluding anything — plenty of "failed campaigns" were working and not being measured, and the reverse happens too. Then check the sequence: reach, then clicks, then conversion, then lead quality. The first point where the number breaks is your real problem.
How do we know if the problem is creative rather than targeting?
Look at reach against clicks. High reach with weak clicks means the platform is finding people and the ad is not stopping them — a creative problem. Weak reach in the first place points to targeting, budget, or competition for that audience.
Do we change the agency or the strategy?
Ask first: can the agency explain why the campaign did not work, and what they learned? If the answer is specific, the problem is fixable with them. If it is generic or defensive, the problem is the way of working. More on this in how to choose an agency.