How Social Media Algorithms Rank Posts: The 5 Stages
LinkedIn, X, YouTube, Instagram and TikTok differ in detail, but every feed runs a post through similar stages. Understand them and you will know where reach leaks.
The Adsplate team · · 3 min read
Every platform guards its ranking system, and each one changes it often. But when you read what LinkedIn, X, YouTube, Instagram and TikTok have said publicly about how their feeds work, a shared shape appears. A post goes through roughly five stages, and it can lose its audience at any one of them.
Knowing the stages won’t game any algorithm. It will tell you where to look when a good post goes nowhere.
1. Understanding: what is this post about?
Before a platform can show a post to the right people, it has to work out what the post is. Text, images, captions, video transcripts and on-screen text are all used to classify the topic and format.
Where posts leak: a vague opening, a topic that wanders, an image with no connection to the text. If a platform can’t tell what the post is about, it can’t match it to anyone.
What helps: a clear subject in the first lines, captions on video, a title or cover text that says what the content is.
2. Quality filters: is it safe and genuine?
Platforms filter out spam, low-quality content and manipulation before ranking anything. Engagement bait (“like if you agree”), misleading claims, excessive hashtags or mentions and some types of links can reduce how far a post travels.
Where posts leak: tactics that worked years ago and now look like spam.
What helps: writing for the reader rather than the system. If a sentence exists only to trigger a reaction, cut it.
3. Audience matching: who might care?
Next, the platform picks a first audience: often people who follow you, have interacted with you before or engage with the topic. This is why the same post can do well for one creator and poorly for another.
Where posts leak: writing for “everyone”. A post that tries to speak to every reader usually speaks to none.
What helps: a defined audience. Write for a specific persona (their role, their problems, the words they use) and the right people are more likely to recognise themselves in it.
4. Ranking: how likely is each person to value it?
For each potential viewer, the feed predicts how likely they are to engage in meaningful ways: read for a while, watch to the end, comment, share, save. Posts are ordered by those predictions.
Where posts leak: weak hooks, a format that doesn’t suit the platform, a wall of text, a video that takes too long to get going.
What helps: a strong opening, native formats (a document post on LinkedIn, a thread on X, a Short on YouTube), and an ending that invites a real response.
5. Distribution: does it keep going?
Early reactions feed back into the system. If the first viewers engage, a post is shown to more people, sometimes well beyond your followers. If they scroll past, distribution slows.
Where posts leak: posting when your audience is offline, or not being around to reply to early comments.
What helps: posting when your audience is active and responding to comments in the first hour.
Why platforms differ
The stages are similar, but the weights aren’t. LinkedIn cares a lot about how long people spend reading. YouTube is driven by the click on the title and thumbnail, then by how long people keep watching. TikTok tests short videos with small audiences and expands quickly when they hold attention. On X, replies and conversation carry weight.
That’s why a post can’t simply be copied between platforms. It needs to be rewritten natively for each one.
Using the stages before you publish
When a post underperforms, ask which stage it failed at. Was it unclear (understanding)? Did it look like bait (quality)? Was it for no one in particular (matching)? Did the hook fail (ranking)? Did it go out at the wrong time (distribution)?
Adsplate scores drafts stage by stage in exactly this way, so you can see where a post is likely to lose people and fix it before you publish. Predictions are estimates, not guarantees, but they make the reasons visible.