Published for Safer Internet Day 2026

Try something right now. Open a new tab, type your name into a search engine, and see what comes up. Are you surprised by the results? Perhaps there is more about you online than you expected, or perhaps there is something you had forgotten about entirely. What you are looking at is your digital footprint, and it is bigger than you think.

Whether you are managing your own online presence or helping a young person understand theirs, this article will walk you through what digital footprints are, why they matter, and what you can do about yours.

The shift to remote working, learning, and socialising that began in 2020 moved huge parts of our daily lives online almost overnight. Since then, that expansion has only continued. Smart home devices, AI-powered tools, fitness trackers, streaming services, and an ever-growing number of connected apps mean our online trail grows larger every year. Understanding that trail is one of the most important steps you can take towards being a safe and responsible digital citizen.

What exactly is a digital footprint?

Your digital footprint is the trail of data you leave behind whenever you use the internet. It includes everything from the photos you post on social media to the websites you browse, the emails you send, and the online forms you fill in. Think of it as a shadow that follows you across every website, app, and platform you use.

Digital footprints fall into two broad categories.

Active footprints are the traces you deliberately create. Every time you publish a social media post, leave a review, comment on an article, or send a message, you are actively adding to your online trail. These are the things you choose to put out into the world.

Passive footprints are collected without you doing anything deliberate. When you visit a website, it may log your IP address and location. When you accept cookies, advertisers begin building a profile of your browsing habits. Your smartphone may be recording your location history in the background. Your voice assistant may be storing recordings of your requests. Even your fitness tracker is logging data about your movements and health. These traces accumulate quietly, often without you realising.

Together, these two types of footprint build a surprisingly detailed picture of who you are, what you like, where you go, and how you spend your time.

The internet never forgets

One of the most important things to understand about your online presence is its permanence. Even when you delete a post or deactivate an account, that information may still exist somewhere. Screenshots can be taken before you hit delete. Search engines cache pages. Archived versions of websites are stored indefinitely. Other people may have shared or saved your content.

Consider this scenario: a teenager posts a flippant comment on social media, thinks better of it, and deletes it an hour later. Years down the line, they apply for a job, and the interviewer has found a screenshot of that comment during a routine background check. It sounds extreme, but it happens more often than most people realise.

Once something is online, you should assume it is online forever. Deletion is not the same as erasure.

It is worth knowing that you do have some legal rights in this area. Under UK GDPR, individuals have a "right to erasure," which allows you to request that organisations delete personal data they hold about you in certain circumstances. This is a useful tool, but it has limitations. It does not cover every situation, and it cannot undo screenshots, shares, or content held by others. Think of it as one layer of protection rather than a guaranteed safety net.

The role of AI in your digital footprint

In recent years, artificial intelligence has added a new dimension to how digital footprints are created, collected, and used. AI tools can scrape publicly available data from across the internet, and this data may be used to train language models and other systems. Content you have posted publicly, from blog entries to forum comments, could end up forming part of an AI training dataset without your knowledge.

AI-powered search engines are also changing how information about individuals surfaces online. Traditional search results are being supplemented by AI-generated summaries that pull together details from multiple sources, potentially presenting information about you in ways you did not anticipate.

There is also the growing risk of AI-generated content being linked to your identity. Deepfake technology can fabricate realistic images, audio, and video of real people. While this remains relatively uncommon for most individuals, it is a trend worth being aware of as the technology becomes more accessible.

The key takeaway is that your digital footprint is no longer just consumed by humans browsing the web. It is increasingly read, processed, and repurposed by machines.

Who is looking at your digital footprint?

Your online trail is not just sitting there doing nothing. A wide range of people and organisations actively look at it, and they all have different reasons for doing so.

Employers and recruiters routinely search for candidates online before making hiring decisions. Your social media profiles, public posts, and any content linked to your name can all influence whether you get an interview or a job offer.

Universities and colleges increasingly review applicants' online presence as part of the admissions process, particularly for competitive courses and scholarship programmes.

Advertisers and data brokers use your passive footprint to build detailed profiles about your interests, habits, and purchasing behaviour. This is why you see eerily specific adverts following you around the internet after searching for a product once.

Cybercriminals mine publicly available information to craft convincing phishing emails, guess security questions, or even steal identities. The more personal information you share openly, the more material they have to work with.

Understanding that your digital footprint has an audience is the first step towards managing it wisely.

How to manage your digital footprint

The good news is that managing your online presence does not require technical expertise. It simply requires awareness and a few regular habits.

Search for yourself regularly. Make it a habit to search your own name every few months. Check what comes up on the first couple of pages of results. This gives you a clear picture of what others can see about you and helps you spot anything unexpected.

Review your privacy settings. Every social media platform and online service has privacy settings, but they change frequently. Set a reminder to review yours at least twice a year. Pay particular attention to who can see your posts, who can tag you, and what information is visible on your profile.

Think before you post. Before sharing anything online, ask yourself: would you be comfortable with your boss, your family, and a complete stranger all reading this? If the answer is no, it is probably best not to post it. This applies to comments, photos, videos, and even the groups or pages you choose to follow publicly.

Be cautious with app permissions. Many apps request access to your contacts, camera, microphone, and location data. Before granting permission, ask yourself whether the app genuinely needs that access to function. A simple puzzle game does not need to know your location.

Understand cookie consent. Rather than clicking "accept all" out of habit, take a moment to read what you are agreeing to. Most cookie banners now offer the option to reject non-essential cookies or customise your preferences. Those few extra seconds can significantly reduce your passive footprint.

Use strong, unique passwords. A compromised account can expose a huge amount of personal data. Use a different password for every account and consider using a password manager such as Bitwarden or 1Password to keep track of them. Enable two-factor authentication wherever it is available.

Clear out old accounts. Think about how many online accounts you have created over the years. Old, forgotten accounts on services you no longer use still hold your data and can be vulnerable to breaches. Use a tool like "Have I Been Pwned" (haveibeenpwned.com) to check whether your email address has appeared in any known data breaches, and take the time to find and delete accounts you no longer need.

Building a positive digital footprint

It is easy to think of your online presence as purely a risk, something to be minimised and hidden. But it is also an opportunity. A well-managed digital presence can work in your favour.

Sharing professional achievements, writing thoughtful posts about topics you care about, contributing to online communities, and engaging respectfully with others all help to build a positive online trail. When someone searches for your name, you want them to find a picture of someone who is thoughtful, professional, and engaged, not someone with no presence at all or, worse, a presence that raises concerns.

Being a good digital citizen means more than just protecting yourself. It means contributing positively to the online spaces you inhabit. Share accurate information, treat others with respect, and think about the impact your words and actions have on the wider community.

A note for parents and educators

If you are a parent, guardian, or teacher, digital footprints are one of the most valuable concepts you can teach young people about. Children and teenagers are building their online presence from an increasingly early age, often before they fully understand the long-term implications.

Rather than imposing blanket bans on technology, focus on open conversations. Talk about what is and is not appropriate to share online. Discuss real-world examples of how digital footprints have affected people, both positively and negatively. Encourage young people to think critically about their online activity and to come to you if they see something that concerns them.

The goal is not to create fear but to build awareness. A young person who understands their digital footprint is far better equipped to navigate the online world safely than one who has simply been told to stay away from it.

Your Safer Internet Day challenge

This Safer Internet Day, take fifteen minutes to audit your own digital footprint. Here is a simple checklist to get you started.

Search your name on two or three different search engines and review what comes up.
Check the privacy settings on your three most-used social media platforms.
Review who can see your recent posts and consider whether you are comfortable with those settings.
Review the app permissions on your phone and revoke any that seem unnecessary.
Identify one old online account you no longer use and delete it.

Fifteen minutes is all it takes to start building better habits. Your digital footprint is yours to shape, so take control of it today.

Safer Internet Day is a global awareness campaign that promotes the safe and responsible use of online technology. To learn more, visit saferinternetday.org.

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Your Digital Footprint: What It Is and How to Manage It