The Instagram Reels algorithm in 2026 is more sophisticated than a single engagement signal. In this course you will learn the four ranking signals Instagram weighs, how watch-time percentile interacts with replays, and what push a new Reel into Explore vs. keep it on your existing audience. We will also break down the creator experiments that move reach the most in the first 48 hours after posting.
What you'll learn
The four ranking signals Reels uses and how to influence each one
What watch-time percentile means and how to keep viewers past 3 seconds
How to read the 48-hour post-publish data window and iterate
The posting cadence that compounds without burning out
Reels vs. Carousel vs. Static: when to mix formats for the same niche
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