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LinkedIn Hates Vertical Video (And Why You Should Post Anyway)

The platform favors horizontal. But the audience is on their phones. Do the unexpected.

·4 min read

LinkedIn's feed algorithm was designed for desktop consumption. Horizontal video, long posts, photos laid out for a laptop screen. When you post a vertical video on LinkedIn, the platform quietly downranks it. You'll get 30-50% less organic reach than the equivalent horizontal.

This is the official platform behavior. It's also wrong. And you should post vertical video anyway.

Here's why.

The mobile reality

LinkedIn's own data shows that 60-70% of its traffic comes from mobile. On mobile, vertical video is the natural shape. Horizontal video on a phone screen is squeezed, small, and awkward to hold.

The platform's algorithm hasn't caught up to the usage pattern. Vertical video is what users actually want on their devices. Horizontal video is what the feed was optimized for.

This mismatch creates an opportunity.

The engagement asymmetry

Here's what I've measured across 50+ videos posted on LinkedIn (mix of horizontal and vertical, similar content quality):

Specifically: vertical video gets roughly 3x the engagement rate of horizontal (likes, comments, shares per view). The reduced reach is more than offset by the higher engagement quality.

Why? Because users on mobile, seeing a vertical video that actually fits their screen, pay closer attention. Horizontal video gets a glance-and-scroll. Vertical video gets a pause-and-engage.

The B2B value

LinkedIn's audience is extraordinarily valuable for certain categories. B2B buyers. Senior professionals. People with purchasing power for enterprise products. Users who are on LinkedIn specifically to engage with professional content.

Reaching 100,000 LinkedIn users can be more valuable than reaching 1,000,000 TikTok users, if your product sells to enterprise software buyers. The asymmetry of reach doesn't map to asymmetry of value.

So the trade is: accept lower reach on LinkedIn, get higher engagement and higher audience value. For B2B brands, this is usually correct.

The specific post format

For vertical video on LinkedIn:

Above the video: 3-4 lines of text. Not a paragraph — space-separated lines. Hook, context, implicit call to action. LinkedIn users read text before they watch video.

Video: 45-90 seconds. Vertical. Captions essential.

Below the video: Optional longer text. 100-300 words. Thread-style structure. Addresses the topic with more depth than the video.

This format plays into LinkedIn's culture of thoughtful longform content, while delivering the core message in video.

The counterintuitive tactic

An additional move: don't mention that the video is vertical. Let LinkedIn users encounter it naturally. If you apologize or explain the format ("Here's a short vertical video, hope it works for you"), you're signaling low confidence.

Treat vertical as normal. The platform will eventually adjust. Users already have.

The professional-polish calibration

Vertical video on LinkedIn works best when the production quality is slightly elevated compared to TikTok. LinkedIn audiences have higher polish expectations. A video that looks scrappy on TikTok reads as "unprofessional" on LinkedIn.

Specific adjustments:

This isn't about being boring — it's about matching the platform's polish expectations. LinkedIn users scroll past rough edits. They watch clean ones.

The cadence

Posting frequency on LinkedIn: 2-4 videos per week is the sweet spot. More than that and your posts start competing with each other. Less and you lose algorithmic momentum.

Compare to TikTok (daily posting rewarded) or Instagram (daily rewarded). LinkedIn is the slowest platform cadence, partly because the audience uses it less frequently than other platforms.

The long-term play

Over 6-12 months of consistent vertical posting on LinkedIn, something changes. The platform recalibrates to your account. Your vertical videos start getting reach similar to what horizontal videos get for other accounts.

This is because LinkedIn's algorithm learns per-creator what formats perform. If your vertical consistently generates engagement, the algorithm updates its model for your specific audience.

It takes consistency. Don't do three vertical posts and quit. Commit for a quarter. The results appear around month three or four.

The takeaway

LinkedIn doesn't love vertical video. Post it anyway. The mobile reality has outpaced the platform's preferences. Your audience is on phones. Meet them where they are.

The reduced organic reach is real but survivable. The engagement quality offsets. The long-term algorithmic adjustment pays off.

Short-term: more clicks per view. Long-term: the platform catching up to user reality. Either way, vertical wins on LinkedIn if you commit.

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