Algorithms decide more than children realise. They shape what appears, what repeats, and what starts to feel normal.
Helping children understand algorithms is part of helping them build an internal compass online.
When children open a social media app, they are not simply seeing “the internet”.
They are seeing a feed shaped by choices made behind the screen. What they watch, pause on, like, share, search for or comment on can affect what appears next.
That invisible sorting system is usually called an algorithm. It is one of the biggest reasons two children can open the same app and see completely different worlds.
Why am I being shown this?
What did I click that brought more of this?
Is this helping me think — or just keeping me scrolling?
Algorithms Can Help
They can recommend useful videos, learning resources, creative ideas, music, hobbies and content children genuinely enjoy.
Algorithms Can Pull
They can also repeat emotional, extreme, addictive or misleading content because it gets attention.
The problem is not simply that algorithms exist. The problem is that children often do not realise their feeds are being shaped.
When something appears again and again, it can start to feel common, important or true — even when it is only being repeated because the system thinks it will hold attention.
What Is an Algorithm, in Child-Friendly Language?
A simple explanation is: an algorithm is a set of instructions a computer uses to decide what to show, suggest or sort.
For younger children, you might say: “An algorithm is like a guessing machine. It watches what you do and tries to guess what you might want to see next.”
The Five Signals Children Should Notice
What they watch all the way through.
What they pause on, even if they do not like it.
What they like, share, save or comment on.
What they search for or follow.
What makes them react strongly — anger, fear, jealousy, shock or excitement.
Why One Click Can Change a Feed
Children may think that clicking one video does not matter. But online systems often treat attention as a signal.
If a child watches several videos about a trend, a fear, a body-image topic, a conspiracy theory, a game, a celebrity or a conflict, the platform may show more similar content. Not because it is good for them, but because the system predicts they may keep watching.
One video can become five.
Five videos can become a pattern.
A pattern can become a feed.
Algorithms and Feelings
Algorithms often respond to engagement. That means content that creates strong feelings can spread quickly.
For children, this matters because anger, fear, embarrassment, comparison and curiosity can all keep them watching. A feed may not care whether a child feels better afterwards. It may only notice that the child stayed.
Questions To Ask About Any Feed
Why might the app be showing me this?
Is this making me calmer, kinder or more informed?
Is this trying to make me angry, scared or jealous?
Am I choosing this, or is it pulling me along?
What could I do to change what I am being shown?
Can Children Reset Their Feed?
Different platforms work in different ways, but children can often change what they see by changing the signals they send.
That might mean unfollowing accounts, choosing “not interested”, clearing watch history where available, searching for healthier topics, avoiding hate-watching, and spending more time on content that supports their real interests.
Follow better accounts.
Stop watching content that leaves you feeling worse.
Use “not interested” where available.
Search for topics you actually want more of.
Take breaks when the feed feels too intense.
What Parents Can Say
Instead of “Stop watching rubbish,” try: “What do you think the app has learned about you from what you watched?”
Instead of “That is bad for you,” try: “How do you feel after watching a few of those?”
Instead of “Do not click that,” try: “What might clicking that tell the app to show you next?”
A Simple Family Activity
Sit with your child and look at a feed together for two minutes. Do not start by criticising it.
Ask them to spot patterns. Are the posts funny, angry, beauty-focused, gaming-focused, dramatic, educational, scary or full of arguments? Then ask: “Why do you think the app thinks you want this?”
What is repeated?
What emotion is strongest?
What is missing?
Who benefits if you keep watching?
The WiseUpKids View
Children do not need to understand every technical detail of recommendation systems. But they do need to know that online spaces are designed.
Feeds are not random. Trending topics are not always important. Repeated content is not always true. Emotional content is not always worth reacting to.
When children understand that algorithms are shaping what they see, they are less likely to be passively pulled along by them.
The strongest protection is not only controlling what children see.
It is helping them ask why they are being shown it.
Sources and Further Reading
This article should be read alongside current research and guidance on algorithmic literacy, online safety and children’s wellbeing:
University of Bristol – algorithmic literacy and young people’s wellbeing
Molly Rose Foundation – critical algorithmic literacy briefing
Ofcom – children’s media use and online behaviour research
GOV.UK – Online Safety Act explainer
Internet Matters – online safety advice for families
