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The Marketing Funnel (AIDA, TOFU-MOFU-BOFU)

In short

Nobody sees an ad and buys a laptop in one second. People move from 'never heard of you' to 'shut up and take my money' in stages. The funnel maps those stages.

A model of the customer journey from unaware to converted — AIDA (Attention, Interest, Desire, Action) is the classic version, TOFU-MOFU-BOFU (top/middle/bottom of funnel) is the modern content-marketing framing.

The blob stands at a shoe shop door as a crowd thins down to one customer at the billing counter.

Think of it like this

Walking through a mall

Hundreds walk past a shoe shop window. Some step inside, a few try shoes on, and only some reach the billing counter. Each step has fewer people, and the shop needs something different to pull them to the next step.

Watch it happen

AIDA, with a phone brand as the example

Attention

Interest

Desire

Action

1/4TOFU: a reel shows the phone's camera at a night wedding. You notice the brand.

The big ideas

What you need to know

Fewer people at each stage

Thousands see you, hundreds care, tens buy. Losing people along the way is normal.

TOFU, MOFU, BOFU

Top, middle and bottom of funnel. Awareness content up top, comparisons in the middle, offers at the bottom.

Match content to stage

A 'buy now' ad to a stranger feels pushy. A long blog to someone ready to buy slows them down.

Find the leaky step

If many visit but few add to cart, fix the middle. The funnel tells you where to look.

How it works

Using the funnel to fix a campaign

1
Count each stage
Note views, site visits, add-to-carts and purchases for one week.
2
Find the big drop
Look for the stage where the share of people falls the most.
3
Fix that step only
Better reviews, clearer price, or a simpler checkout, depending on where the drop is.
4
Measure again
Compare next week's numbers to see if the drop got smaller.

Save yourself the pain

Common mistakes

Oops

Spending the whole budget on bottom-of-funnel ads.

Do this instead

If nobody new enters the top, the bottom dries up. Keep feeding awareness too.

Oops

Treating the funnel as a strict straight line.

Do this instead

Real buyers jump around and come back. Use the funnel as a map, not a law.

Your mission

Map your last big purchase

~15 min

Quick check

Your blog gets lots of visitors but nobody signs up for the free trial. Which part of the funnel is leaking?

Go deeper

1Map a recent purchase you made onto the AIDA stages.
2Identify what type of content fits TOFU versus BOFU for a product you use.
3Learn why different channels tend to work better at different funnel stages.