30/09/2026
Reels are NOT the key to growth on Instagram.
According to Socialinsider (a cloud-based social media analytics tool).
Instagram carousels currently hold the highest engagement rate of any content format on the platform.
Why? Because a carousel is a retention mechanism.
Each swipe is a choice to keep going, and the algorithm tracks that choice as a signal of quality.
But not every carousel earns that swipe.
The ones that do almost always never let a slide feel finished.
Every slide ends with a reason to keep going.
That's a cliffhanger.
And this carousel used 5 of them:
1. The Cutoff - ending a slide mid-sentence.
2. The Flip - undoing what you just said.
3. The Reveal - promising a number, then holding it back.
4. The Threat - making it cost something to stop.
5. The Open Loop - ending on a question only the next slide answers.
Put these slide by slide, and more people will read your carousels till the end.
carousel | social media | instagram | engagement