LinkedIn is changing. Again. If you feel like you’re shouting into a void lately, you aren’t imagining it. By October 2025, the "quiet" tweaks to the LinkedIn algorithm have officially solidified into a new reality for anyone trying to build a brand or land clients.
The old "golden hour" rule? It’s basically on life support. The "post every day or die" mantra? Dead.
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Honestly, the biggest shift this October is that LinkedIn has stopped rewarding people for being loud and started rewarding them for being right. The platform is moving toward an "interest graph" similar to TikTok or YouTube, where who you know matters less than what you actually know. If you’ve seen your reach tank by 50% or more this year, it’s likely because you’re still playing by 2023 rules in a 2025 world.
The October 2025 LinkedIn Algorithm Shift: Authority Over Activity
The news coming out of LinkedIn’s engineering team—and backed up by recent data from researchers like Richard van der Blom—confirms that the algorithm is now looking for subject matter authority.
In the past, if you had 50,000 followers, you could post a picture of your coffee and get 500 likes. Not anymore. Now, LinkedIn uses AI models (specifically specialized versions of LLaMA 3) to "read" your content. It checks if your post actually aligns with the expertise listed in your profile.
If you’re a software engineer suddenly posting generic motivational quotes about "hustle," the algorithm gets confused. It stops showing your content because it doesn’t see you as an authority in that specific niche.
Why your "Recency" doesn't matter as much
One of the most surprising updates this month is the extended "long tail" of posts. LinkedIn confirmed in late 2025 that the feed is prioritizing relevance over recency.
You might see a post from three weeks ago at the top of your feed today. Why? Because the algorithm decided it was highly relevant to a conversation you just had or a search you just performed. For creators, this is actually great news. It means your high-quality content doesn't "expire" in 24 hours. A well-written, insightful post can continue to pick up steam for a month.
What’s Working Now (and What’s Getting Buried)
Let's talk about formats. We've all heard that video is the future, but the October 2025 data shows a very specific winner.
Vertical Video is the current king. But there’s a catch. LinkedIn isn't looking for high-production commercials. It’s looking for "snackable" expertise. Videos under 60 seconds with clear captions are seeing roughly 80% more reach than horizontal, polished videos.
The "Saves" Revolution
Forget Likes. Likes are cheap. In the current algorithm, a Save is worth significantly more than a Like or even a basic "Great post!" comment.
When someone saves your post, it tells LinkedIn: "This is so valuable I need to refer back to it later." This triggers a massive boost in distribution. To get more saves, you need to stop posting "opinions" and start posting "assets."
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- Frameworks.
- Checklists.
- Step-by-step guides.
- Data-driven charts.
The "15-Word" Rule for Comments
If you’re still replying to people with "Thanks!" or a "🙏" emoji, you’re hurting your own reach.
The algorithm now weighs comments based on length and depth. A comment with 15 or more words has about 2.5 times the algorithmic weight of a short one. This applies to your own replies too. When someone comments on your post, you need to respond with a substantive thought to keep the momentum going.
LinkedIn Newsletter Momentum
Newsletters are having a massive moment this October. Because LinkedIn is pushing for deeper "dwell time"—the amount of time a user stays on a page—newsletters are being heavily prioritized in the "Suggested For You" section.
If you haven't started a LinkedIn Newsletter yet, you're missing out on a unique distribution channel that bypasses the standard feed volatility. Subscribers get an actual notification, and the "shelf life" of a newsletter article is significantly longer than a standard text post.
Actionable Strategy for the Rest of 2025
You don't need to post every day. In fact, posting more than three times a week can actually decrease your average reach per post because you end up competing with yourself.
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Step 1: Narrow your "Topical Map"
Check your profile. If your headline says you're an expert in "Sales, Marketing, Yoga, and Crypto," the algorithm is going to penalize you. Pick one or two core themes and stick to them for 90% of your content. The AI needs to "categorize" you to know who to show your posts to.
Step 2: Focus on "Dwell Time"
Stop writing short, punchy "broetry" (one sentence per line). Mix it up. Use short paragraphs, but give people enough substance to actually read for more than five seconds. Document carousels (PDFs) are still the best way to "stop the scroll" and keep people on your post for a minute or longer.
Step 3: The "Warm-Up" Technique
Before you hit publish, spend 15 minutes commenting on 5–10 posts from people in your target industry. Make these comments meaningful (remember the 15-word rule). This "warms up" your account and signals to the algorithm that you are an active, contributing member of the community, not just a bot dropping a link and running away.
Step 4: Kill the External Links
This hasn't changed, but it's more aggressive now. If you put a link in the body of your post, LinkedIn will bury it. If you absolutely must share a link, put it in the comments after the post has been live for an hour, or better yet, use the "Link in Bio" approach.
Step 5: Optimize for the "Save"
End your posts by explicitly asking people to save the post if they found the checklist or framework helpful. It feels a bit "meta," but it works. Those saves are the primary engine for the 2025 algorithm's viral loop.
The goal isn't to go viral; the goal is to be seen by the 500 people who actually matter for your career or business. By focusing on depth, authority, and meaningful conversation, you can navigate these October 2025 updates without losing your mind.