ACF Pro 101: Building Flexible Content Layouts Without Breaking Your Brain

ACF Pro's Flexible Content field is a game-changer. It lets clients build pages by mixing and matching content blocks — hero sections, testimonials, CTAs, galleries — without ever touching code.

But here's the problem: it's easy to create 30 different block types, all with slightly different naming conventions, and suddenly your codebase is a nightmare.

We learned this the hard way. On a recent project for a financial services client, we started with 15 block types. By month three, we had 28. By launch, nobody could remember what half of them did.

Our approach now:

Keep it to 10 blocks maximum. Hero, Feature (with image left or right variant), Testimonial, CTA, Stats Grid, Accordion, FAQ, Video Embed, Image Gallery, Related Links.

That's it. Every page we build uses combinations of these same blocks. Clients love the flexibility. Developers love the consistency.

The setup:

Name every block descriptively (not "Block A"), use clear field labels, and document what each block is for in a simple Notion doc. Pass it to the client during onboarding.

Use ACF's layout parameter to control block width (full, contained, etc.). Use conditional logic to show/hide fields based on the block type.

Repeater fields vs Flexible Content:

Repeaters are for repetitive content (team members, testimonials from a list). Flexible Content is for unique, mixed layouts. Don't mix them up.

The real win:

When you nail this, clients can update pages themselves. They don't need you for every layout tweak. That's scalability.