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Content pillars: the few subjects an account covers, and why three to five is enough

Tiago Costa

By Tiago Costa·Updated on August 5, 2026

Illustration of content pillars supporting a profile

Definition

Content pillars are the few subjects an account always covers.

  • Three to five is the range that works.
  • They are subjects, not formats. Reels is not a pillar.
  • They solve the blank page and topic dispersion.
  • They ease classification of the account by the system.

Why few

There is an audience reason and a machine reason, and both point at the same number.

On the audience side: people follow accounts for a specific reason. If you post about seven different subjects, each follower cares about a seventh of what you do, and the rest becomes noise to them.

On the distribution side: the system needs to understand what the account is about to know who to offer it to. An account consistent about one subject is easy to classify; an account about everything has nobody to be compared to.

Fewer than three usually tires through repetition. More than five usually dilutes. The range is not magic, it is simply where both problems stay small at once.

The mistake of confusing pillar with format

It is the most common error, and it hollows out the whole exercise.

Not pillars: Reels, carousels, Stories, behind the scenes, tips, motivational. The first three are formats, the last three are approaches.

Pillars: the concrete subjects you master and that someone wants to hear about. For a sports nutritionist, something like supplementation, pre workout eating, diet myths and athlete cases.

The test is simple: a pillar answers "about what?", not "in what way?". If your list answers the second question, you made a list of formats.

Infographic of the difference between pillar and format
A pillar answers about what; a format answers in what way.

How to define yours

The intersection of three things usually settles it:

  • What you genuinely master. A subject you do not master exhausts you in three weeks.
  • What your audience asks. Repeated questions in the inbox are the most reliable source, because they arrive pre validated.
  • What leads to a sale. At least one pillar has to connect with what you offer, or the account grows without generating business.

One caveat on the third item: not every pillar needs to sell. A distribution that tends to work is most pillars serving to attract and educate, and one serving to convert, which connects to the logic of a content funnel.

What to do with them afterwards

Pillars defined and forgotten serve nothing. The practical use is operational:

  • In the calendar. Every scheduled piece gets a pillar. That makes imbalance visible before it happens.
  • In measurement. Comparing performance by pillar answers the operation's most useful question: which subject deserves more space.
  • In idea generation. The blank page becomes a specific question: "what have I not said about this pillar yet?"

And they are worth revisiting periodically. A pillar that has not performed for months and does not connect to the sale can go, and that decision is easier when there is data per pillar.

The intersection that defines pillars

Checklist

  • I have between three and five pillars.
  • Each answers "about what", not "in what way".
  • At least one connects with what I sell.
  • I tag every piece with its pillar in the calendar.
  • I compare performance by pillar before changing strategy.

Frequently asked questions

What are content pillars?

They are the few recurring subjects an account covers. They exist to solve the blank page for people who do not know what to post and the dispersion of people who post about everything and are recognised for nothing.

How many content pillars should I have?

Between three and five. Fewer tires through repetition; more dilutes what the account is perceived to be and makes classification harder for the system, which needs to understand the subject to know who to offer it to.

Can Reels and carousels be pillars?

No. Those are formats, and a pillar is a subject. The test is direct: a pillar answers "about what?", not "in what way?". Behind the scenes, tips and motivational content are not pillars either, they are approaches.

How do you define your content pillars?

Through the intersection of what you genuinely master, what your audience frequently asks, and what connects with the sale. Repeated inbox questions are the most reliable source, because they arrive already validated.

Does every pillar need to sell?

No. The pattern that works is most pillars serving to attract and educate, with at least one connecting to what you offer. Without that last one, the account grows without generating business.

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