Post Carousels Daily: The Omnichannel Funnel That Works

TL;DR: Posting 4 carousels per week across LinkedIn and Instagram generated roughly 4,000 likes and 68 newsletter signups, proving that a consistent carousel funnel is one of the most efficient content strategies available right now.

Two signals dropped this week that, taken together, paint a clear picture: carousels are not just a content format. They are a distribution engine. Whether you are a solopreneur trying to grow a newsletter or a social media manager building brand awareness, the data and the platform behavior both point in the same direction. Let's break it down.

The Numbers

Creator Matt Gray shared the results of his omnichannel carousel funnel this week, and the numbers are worth paying attention to.

Metric	Result
Carousels posted per week	4
Total likes generated	~4,000
Newsletter signups attributed	~68
Signups per carousel	~17
Likes per carousel	~1,000

Source: Matt Gray on X

The funnel works in three steps: a Twitter thread sparks initial engagement, that content gets repurposed into a LinkedIn carousel, and then the same material becomes an Instagram carousel. Each platform amplifies the same core idea to a different audience segment, and the carousel format carries the conversion weight at each stage.

For context on how carousel engagement benchmarks compare across platforms, check out the Stats page for the latest data.

What's Driving These Results

The core insight here is not just that carousels perform well. It is that carousels perform well consistently when posted with a regular cadence. Here is why the math works:

Carousels reward dwell time. Both LinkedIn and Instagram algorithms favor content that keeps users on the platform longer. A carousel with 8 to 10 slides forces a viewer to swipe multiple times, which signals to the algorithm that the content is engaging. More swipes equal more reach.

Long-form content survives the scroll. Matt Gray's framing is precise: "Long-form content via carousels delivers high value per post." A single carousel can communicate an idea that would take a 500-word blog post to cover, but it does so in a format native to mobile and optimized for social feeds. You are not asking someone to click away. You are delivering the value right there in the feed.

Repurposing multiplies output without multiplying effort. The omnichannel funnel described here starts with one piece of thinking, a Twitter thread, and turns it into two additional assets. The creative work happens once. The distribution happens three times. This is the efficiency gain that makes daily or near-daily posting sustainable for a solo creator.

How Top Creators Are Using This

The structure Matt Gray outlines is not unique to him. It reflects a broader pattern among high-output creators who treat carousels as the centerpiece of their content strategy rather than a supplementary format.

The typical playbook looks like this:

Identify a high-performing idea. This could be a tweet that got traction, a newsletter section that drove replies, or a question your audience keeps asking.
Expand it into a carousel. The first slide is the hook. Slides two through eight or nine build the argument or deliver the steps. The final slide is the call to action, usually a newsletter signup, a lead magnet, or a follow prompt.
Post it on LinkedIn first. LinkedIn's algorithm currently gives carousels strong organic reach, especially in professional niches. This is your highest-leverage platform for B2B audiences.
Repost or adapt for Instagram. The visual design may need minor adjustments for Instagram's square or portrait dimensions, but the content core stays the same.

If you want to see how this looks in practice, the Templates page has carousel layouts built specifically for this kind of educational, conversion-focused content.

LinkedIn Just Made Carousels Unavoidable

The second signal this week adds an important layer to this conversation. LinkedIn is now automatically converting multiple image uploads into a carousel format, according to a post spotted on X. Users who upload several images to a post are finding that LinkedIn bundles them into a swipeable carousel without any extra steps.

Reactions have been mixed. Some users find the automatic behavior presumptuous. But for carousel creators, this is a meaningful platform signal. LinkedIn is actively pushing the carousel format as a default experience. That means:

Audiences on LinkedIn are increasingly accustomed to swiping through content.
The platform's interface is optimized to surface carousel-style posts.
Even users who were not intentionally creating carousels are now producing them.

For intentional creators, this is an advantage. If the baseline is now a multi-image carousel, a well-designed, narrative-driven carousel with a strong hook and clear CTA will stand out even more against the auto-generated ones.

Make sure your slides are sized correctly for LinkedIn's specs before you publish. The LinkedIn Carousel Size Guide covers the exact dimensions you need to avoid cropping or formatting issues.

Benchmarks for Your Carousels

Using the data from this week's signals, here are practical benchmarks to aim for if you are building a carousel-to-newsletter funnel:

Posting cadence: 3 to 5 carousels per week is the sweet spot for building algorithmic momentum without burning out.
Slides per carousel: 8 to 10 slides tends to maximize swipe-through rates while keeping the content tight.
Newsletter CTA placement: Include your signup prompt on the final slide AND in the post caption. Double the touchpoints, double the conversion opportunities.
Likes to signups ratio: Based on Matt Gray's numbers, expect roughly 1 newsletter signup per 60 likes. If your ratio is lower, test your CTA copy and the clarity of your value proposition.
Repurposing ratio: One core idea should produce at least two carousel posts across platforms. If you are creating from scratch for every post, you are working harder than you need to.

Putting It Into Practice

The combination of Matt Gray's funnel data and LinkedIn's auto-carousel behavior makes one thing clear: this is the moment to commit to a consistent carousel strategy. The platform infrastructure is moving in this direction. The engagement data supports it. And the conversion potential, roughly 17 newsletter signups per carousel, is genuinely competitive with paid acquisition for many niches.

Start with one piece of content you already have. A thread, a newsletter section, a slide deck from a client presentation. Turn it into a carousel using a tool built for this format, get the dimensions right, and post it this week. Then do it again next week.

For more tactical guidance on building this kind of content system, the Guides section has step-by-step tutorials covering everything from hook writing to slide structure.

Ready to create scroll-stopping carousels? Try Insta Posts free →