Performa Web

How social media algorithms work

What decides who sees your posts? Understand the logic behind social media algorithms and how to make your content reach more people.

8 min read Updated July 2026

You publish content, and mysteriously, some posts reach many people while others vanish. Behind this is the algorithm: the system each social network uses to decide what to show each person. Understanding this logic is what separates those who complain about reach from those who work to achieve it.

In this guide, you will understand how social media algorithms work, what they prioritize, and how to create content that works for them, instead of against them.

What is a social media algorithm

A social media algorithm is the system that decides which content appears in each person's feed and in what order. Since there is far more content published than anyone could possibly see, networks need to select and prioritize. The algorithm performs this curation, attempting to show each user what they are most likely to find interesting. It's not a system designed to harm brands, but rather to keep people engaged on the platform.

The algorithm's goal

To understand the algorithm, you need to understand what the social network wants: to keep people using the platform as much as possible. This means showing content that grabs attention, generates reactions, and makes people come back. Everything else stems from this. When you create content that truly engages people, you are helping the network fulfill its objective, and that's why it delivers your content to more people. It's a game of aligned interests.

Key signals

While each network has its peculiarities, some signals are common across most algorithms:

  • Engagement: likes, comments, shares, saves. The more a piece of content generates reactions, the more it is distributed.
  • Relevance: how well the content matches that person's interests.
  • Relationship: how often the person interacts with that profile.
  • Recency: more recent content tends to have priority.
  • Watch time: how long people spend consuming the content.

The combination of these signals defines the reach of each publication.

Each network has its own algorithm

It's important to know that there isn't a single "the algorithm." Each network has its own, with different priorities according to the format and audience behavior. A network based on short videos values different signals than a professional network focused on text. Therefore, what works on one platform doesn't always work on another. Understanding the peculiarities of each network where a brand operates is part of the job.

The role of initial engagement

One factor that many algorithms consider is how well content performs in the first few hours or minutes after publication. If a post generates good initial engagement, the network tends to show it to more people, creating a snowball effect. If it starts poorly, it's unlikely to gain reach later. This explains why factors like publication time and the ability to generate quick reactions make a difference in content performance.

How to work with the algorithm

The best way to "beat" the algorithm is to stop trying to trick it and start feeding it what it wants: content that people genuinely enjoy. This means creating relevant and engaging content for your audience, encouraging genuine interaction, publishing consistently, making good use of formats the network is prioritizing, and nurturing your community relationships. There's no magic trick: good, consistent content that creates connection is what the algorithm rewards.

Frequently asked questions

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