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The instinct is understandable. You are paying for advertising, so you want it seen by as many people as possible. Reach feels like value. In practice, broad targeting is one of the most expensive audience targeting mistakes a business can make, and it is why many campaigns quietly lose money while looking busy.
Here is why narrowing your audience almost always produces cheaper enquiries, and how to narrow it without shrinking your market to nothing.
Advertising platforms charge you for attention. If your ad reaches a hundred thousand people and four hundred of them could plausibly buy from you, you have paid for ninety nine thousand six hundred irrelevant impressions.
Worse, the platform learns from that response. Ad algorithms optimise toward whoever engages. When the audience is broad, the people engaging are often the least likely to buy, and the system dutifully finds more of them. A month later your click volume looks healthy and your enquiries have not moved.
Narrow targeting reverses this. Fewer people see the ad, but those who do are relevant, the engagement signal is cleaner, and the algorithm compounds in your favour rather than against it.
There is a floor. Every platform needs enough volume to optimise, and squeezing an audience down to a few thousand people usually causes delivery to stall, frequency to spike and costs to climb again.
As a working guide, a Meta audience below roughly fifty thousand people tends to fatigue quickly. In Google Ads the equivalent problem is a keyword set so specific it produces almost no impressions.
The signal to watch is frequency. If the same people are seeing your ad more than three or four times a week and performance is falling, you have gone too tight. Widen slightly, or refresh the creative.
Narrowing well is not just cutting the radius. It is defining who actually buys.
Take a luxury villa in Choeng Thale advertising to a broad audience of Thailand, ages 25 to 65, interested in travel. Reach is enormous, cost per click is low, enquiries are almost nil, because most of that audience cannot afford the villa and is not travelling.
Now narrow it. Target the UK, Germany, Australia and Singapore rather than Thailand. Set ages 35 to 60. Layer on household income and interests around luxury travel and villa rental. Exclude anyone who has enquired in the last ninety days. Run a separate retargeting campaign for people who reached the booking page and did not finish.
Reach collapses. Cost per click usually rises, which alarms people who watch the wrong number. Cost per enquiry falls, often sharply, because you are paying for people who can actually book. The only figure that changed in your favour is the only one that pays the bills.
Narrow targeting nearly always looks worse on the vanity metrics. Fewer impressions, fewer clicks, higher cost per click. If your reporting leads on those, narrowing will look like a failure while it is quietly working.
Judge it on cost per enquiry and return on ad spend. Meta explains its own audience and delivery mechanics in the Meta Business Help Centre, and Google covers match types and negatives in the Google Ads Help Centre. Both are worth reading before you widen anything back out.
If you are unsure which numbers your campaigns should be judged on, our guide to measuring results from your marketing agency covers the four that matter.
Pull your last fifty customers and write down what they have in common. Then open your campaigns and compare that to who you are actually targeting. The gap between those two lists is usually where your budget is going.
If you would rather have someone else do that audit, it is where our paid search management and social media campaigns both begin. You can also request a free audit and we will tell you honestly where the waste is.
We will audit what you are running now and hand back a written roadmap, whether or not you work with us.
Straight answers to what clients ask us most.
No. It means fewer irrelevant impressions. You usually reach fewer people in total but a higher proportion of them enquire, so the number of customers goes up while the cost per customer goes down.
As a working guide, below roughly fifty thousand people an audience tends to fatigue quickly, with frequency rising and performance falling. Watch frequency rather than audience size: more than three or four impressions per person per week alongside falling results means you have gone too tight.
Because you are now competing for a more valuable audience, which costs more per click. That is expected and not a problem. Judge the change on cost per enquiry and return on ad spend, both of which normally improve even as cost per click rises.
Broad match can work, but only with a well maintained negative keyword list and reliable conversion tracking to guide the algorithm. Without both, it is the fastest way to spend budget on searches that will never convert.
