Writing a call to action (CTA)

5 minutes · 7 steps · workout 4 of 6 in this module

What you'll be able to do

By the end of this workout, you'll be able to write a CTA that names one clear next step, match it to the funnel stage of the audience, and see how the CTA changes conversion at the same budget.

A first look: A CTA is one next step, said plainly

A call to action tells the reader exactly what to do now. A good CTA has a verb, an object, and a reason or a result: “Order today, free returns for 30 days.” “Download the app, first coffee's on us.” One CTA per ad. If you ask for three things, you get none. The CTA also has to match where the person is: strangers get a low-commitment step (watch, see, learn), people comparing get a helpful step (compare, try, get the size guide), and people who are ready get the direct step (order, book, download). There's one more thing that makes CTAs pull harder: people work harder to avoid losing something than to gain the same thing. Marketers call this loss aversion. “Don't miss free shipping, ends Sunday” pulls more than “Get free shipping.” Use it only when it's true; a fake deadline costs you trust and, as you'll see in the policy lesson, can get the ad rejected.

Example: Corner Coffee, three audiences: cold: “See how order-ahead works (15 seconds).” Warm: “Try order-ahead on your next visit.” Ready: “Download the app, first coffee's free this week.”

What this workout covers

A CTA is one next step, said plainly
Case: Two CTAs for a warm audience

A question from this workout: Two CTAs for a warm audience

Green Garden Skincare is retargeting people who visited the serum page in the last 7 days but didn't buy. Same ad, same audience, two CTAs. Ad A ends with “Learn more.” Ad B ends with “Get 20% off your first serum, offer ends Sunday.” The discount is real and the landing page shows the same 20% off.

Ad A click-through rate: 1.4%
Ad A conversion rate (clicks to orders): 1.2%
Ad B click-through rate: 1.6%
Ad B conversion rate (clicks to orders): 2.5%

Why did Ad B more than double the conversion rate, when the click-through rates are close?

“Learn more” is always weaker; never use it for any audience
Ad B's clicks were cheaper, and cheap clicks convert better
These people already know the product. A direct CTA with a real reason to act now matched where they were, and the page kept the promise the CTA made
The 20% discount made the product look cheap, and cheap products sell more

Pick your answer first, then open the reasoning below.

Show the answer and the reasoning

Answer: C. These people already know the product. A direct CTA with a real reason to act now matched where they were, and the page kept the promise the CTA made

A retargeting audience has already done the “learn more” part. What they need is a reason to finish. The CTA gave one (20% off), added a true deadline (Sunday), and the landing page matched it, so the click turned into an order. The most common mistake is the first option. “Learn more” is the right CTA for a cold audience; it's the wrong CTA here because the audience is warm. The CTA isn't good or bad on its own; it fits or it doesn't.

The other steps work the same way: you decide first, then see why each option is right or wrong.

How you practice here

1 short concept card
2 multiple-choice questions
1 campaign case with real-looking numbers
1 matching exercise
1 guided calculation
1 recall question from an earlier workout

Part of the module: Ad Copywriting Basics

Copy that grabs attention in the first line, sells a benefit and gets people to act: hook, body, CTA and formulas that work.

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Programs that include this workout

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