Ads

How to tell within a few days if a Facebook or Instagram ad is working

Which numbers to watch to know if an ad is bringing in customers: cost per message, lead quality, and more. Plus when to pause it without waiting 30 days.

Fernando ChávezFernando ChávezFounder of Blides Publicity September 29, 2026 3 min read
Ads · Blides PublicityHow to know if an ad is working
How to know if an ad is…$1
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Collected: $6

Many businesses only look at "likes" or views. But an ad isn't there to be liked: it's there to bring in customers. These are the numbers that really matter.

1. Cost per result

How much does each message, each call, or each form cost you? If one ad brings you messages at $1 and another at $6, you already know which one has more potential.

2. Lead quality

Not all messages are worth the same. An ad can bring in lots of cheap messages from people who just ask and never buy. We check whether those leads ask about prices, book, or buy.

$1in the text
$6in the text
30 daystimeframe

3. How much it costs to get a customer

This is the most important number. We show you how to calculate it in How much it costs to get a customer with ads.

4. How well it grabs attention

If people see the ad but almost nobody clicks or messages, the design or the message isn't grabbing attention.

When should you pause an ad?

If after two days an ad is spending a lot, the cost per result is very high, and the leads aren't good, we pause it. Waiting 30 days only helps you lose money.

Rule of thumb: don't judge by a single day, but don't wait a month either. A few days of data is enough to spot an ad that isn't going to work.

And if it works?

We improve it carefully and, once it's consistent, we increase the investment. That's how our results-based ads strategy works.

Ads · Blides Publicity

Want ads that bring in customers, not just expenses?

We test before investing, pause what doesn't work and scale what does.

Frequently asked questions

Are likes a good way to measure an ad?

Not really. What matters is how many real customers it brings in and how much each one costs.

How often do you review the ads?

We review them constantly so we can pause what isn't working in time and improve what is.

Fernando Chávez
Fernando ChávezFounder of Blides Publicity, an advertising and digital marketing agency with offices in Orlando, Florida, since 2019.

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