You open the site in a browser Safari on Mac or iPhone, and suddenly a notification appears: "Safari did not allow trackers to create your profile". It sounds mysterious and sometimes scary - especially if you don’t understand what this “profile” is and why the browser is blocking it. In fact, this is not an error, but privacy protection function, built in Apple starting from iOS 15 And macOS Monterey. But how does it work, how effective is it, and what should you do if the message interferes with your work?

In this article we will figure out what is hidden behind this warningwhy Safari blocks trackers and how this affects your internet experience. You will learn what technologies are behind “tracker profiles,” how to check which sites are trying to track you, and what to do if blocking prevents you from logging in to legitimate resources. And also - why this message can appear even on secure sites, and how to distinguish a real threat from a false positive.

What is a “tracker profile” and why Safari blocks it

Tracker profile - this is digital fingerprint your activity on the Internet, which is created by advertising networks, analytical services and other third-party tools. It may include:

  • 🔍 IP address and geolocation;
  • 🖥️ Device type and browser;
  • 📊 Browsing history;
  • 🛒 Behavior on sites (clicks, dwell time, purchases).

Safari blocks the creation of such profiles using technology Intelligent Tracking Prevention (ITP). It automatically limits trackers' access to your data to prevent cross-site tracking (when your activity on one site is used for targeted advertising on another). For example, if you looked at a product in an online store, and then saw its advertisement in Facebook - this is the result of the trackers’ work.

Message "Safari did not allow trackers to create your profile" means that the browser actively stopped the attempt of a third-party service (for example, Google Analytics, Facebook Pixel or advertising network) collect data about you. This is not an error, but confirmation that the protection is working.

📊 How often do you see this message in Safari?
  • Constantly
  • Sometimes
  • Nearby
  • Never

How Intelligent Tracking Prevention (ITP) works in Safari

Technology ITP was presented Apple in 2017 and has been constantly improved since then. It uses several mechanisms:

  1. Blocking third party cookies. Safari restricts access to cookies (files that store session data) for domains that you have not visited directly. For example, if on the site example.com the script is loaded from tracker.net, then Safari will prevent it from reading or writing cookies.
  2. Clear data after 24 hours. Even if the tracker was able to save cookies, Safari automatically deletes them after a day if you have not returned to the site.
  3. IP address masking (in iCloud Private Relay). For users with subscription iCloud+ Safari can hide the real IP by replacing it with a proxy server Apple.

Versions ITP updated with Safari. For example, in ITP 2.3 (2021) protection against fingerprinting — a method for identifying a user based on the unique characteristics of the device (screen resolution, installed fonts, plugins, etc.).

ITP version Year of manufacture Key innovations
ITP 1.0 2017 Blocking third party cookies after 24 hours
ITP 2.0 2018 Restricting access to document.cookie And localStorage
ITP 2.3 2021 Anti-fingerprinting and blocking ETag-trackers
ITP 3.0 2023 Complete blocking of third party cookies by default

⚠️ Attention: If you are using Safari on macOS Ventura or newer then ITP 3.0 blocks everything third party cookies by default, even if the site is not an explicit tracker. This may break authorization via social networks (for example, the “Login via” button Google»).

When is a message about blocking trackers normal, and when is it a problem?

In most cases the message "Safari did not allow trackers to create your profile" - this is good sign. It means the browser protects your privacy. However, there are situations when blocking interferes:

  • 🔒 Authorization problems. Some sites use third-party services for login (for example, Auth0 or Okta). If Safari blocks their cookies, you may not be able to sign in to your account.
  • 🛒 Shopping carts don't work. Online stores often store product data in third party cookies (e.g. Shopify or Magento).
  • 📊 Distorted Analytics. If you are the owner of the site, then the data in Google Analytics or Yandex Metrica may be incomplete due to tracker blocking.

How to distinguish a “good” block from a problematic one?

The site does not save your authorization after reloading the page|

Login with Google/Facebook buttons not working|

Shopping cart resets when you go to another page|

Videos or interactive elements do not load (tracker scripts are blocked) -->

⚠️ Attention: If you see a message about blocking trackers on banking websites or payment systems (for example, Sberbank Online, PayPal), this may be a false positive. In this case, it is better to temporarily disable the protection (instructions below).

How to check which trackers Safari blocks

To understand which services are trying to track you, you can use the built-in tools Safari:

  1. Open the site where the blocking message appeared.
  2. Click on the toolbar (icon AA to the left of the address bar) and select Show privacy report.
  3. In the window that opens you will see a list blocked trackers and their domains (for example, google-analytics.com, facebook.net).

You can also use third party extensions:

  • 🛡️ Ghostery — shows all active trackers on the page.
  • 🔍 uBlock Origin — blocks ads and trackers, with detailed statistics.
  • 📊 Privacy Badger (from EFF) - automatically blocks invisible trackers.

If you want to see exactly how trackers collect data, you can use the tool Web Inspector in Safari:

  1. Enable it in settings: Safari → Preferences → Add-ons → Show Develop menu.
  2. Open Development → Show web inspector.
  3. Go to the tab Network and filter queries by keywords: track, analytics, pixel.
💡

If you often encounter blocking on legitimate sites, add them to whitelist in Safari settings: Settings → Privacy → Manage website data → find the domain and allow cookies.

How to disable blocking trackers (if it bothers you)

If tracker protection breaks the functionality of sites, you can temporarily weaken it. Options:

1. Disable ITP for a specific site

This is the safest method, as it does not weaken the protection globally:

  1. Open the problematic site in Safari.
  2. Click on the icon AA in the address bar → Settings for this website.
  3. In the section Privacy select Allow all cookies.

2. Disable ITP completely (not recommended)

This is a radical step that will make your browsing experience less private:

  1. Open Terminal on Mac.
  2. Enter the command: 
    defaults write com.apple.Safari IncludeInternalDebugMenu 1 && defaults write com.apple.Safari WebKitPreferences.developerExtrasEnabled 1
  3. Restart Safari, then to the menu Debug select Intelligent Tracking Prevention Debug Menu and disable protection.

⚠️ Attention: Shutdown ITP will make you vulnerable to cross-site tracking. Use this method only for testing and immediately turn the protection back on!

3. Use a different browser

If you often need sites that don't work with Safari, you can:

  • 🦊 Go to Firefox with extension uBlock Origin (flexible blocking settings).
  • 🌍 Use Google Chrome in incognito mode (but it collects data on its own).
  • 🛡️ Try it Brave — a browser with built-in tracker blocking, but more loyal to legitimate services.
💡

It is not worth disabling ITP globally - it is better to add problematic sites to exceptions or use alternative browsers for specific tasks.

What to do if the message appears on secure sites

Sometimes Safari mistakenly blocks scripts on trusted resources (for example, on the websites of banks or government services). Here's how to proceed:

  1. Check the URL. Make sure you are on a real site (not a phishing copy). The address must start with https:// and have a padlock icon.
  2. Update Safari. In new versions Apple corrects ITP false positives. Check for updates at System settings → Software update.
  3. Clear cache. Sometimes old data prevents the site from working correctly. Do it through Safari → Settings → Privacy → Manage website data.
  4. Contact site support. If the problem persists, please let them know Safari blocks their resources as trackers. Perhaps they use third-party services (for example, for analytics) that are blacklisted.

If the site is critical (for example, Public services or personal account of the telecom operator), you can temporarily:

  • 🔄 Open it in private mode (File → New private window). ITP works more smoothly in it.
  • 📱 Use mobile application instead of the browser (if you have one).
Why are banking websites sometimes blocked?

Many banks use third-party services for fraud protection (for example, Akamai or Cloudflare). These services can download scripts from domains that Safari considers trackers. Also, some banks integrate analytics (Google Analytics) even to the authorization pages, which causes blocking.

FAQ: Frequently asked questions about blocking trackers in Safari

Why does the message only appear in Safari and not in Chrome or Firefox?

Safari - the only browser with built-in blocking of trackers at the engine level (technology ITP). Chrome And Firefox also have protections, but they are less aggressive and often require the installation of extensions. For example, in Firefox There is Enhanced Tracking Protection, but it only blocks the most famous trackers, whereas Safari prohibits everything third party cookies by default.

Could this message mean that my Mac or iPhone is infected with a virus?

No, this is a message not associated with viruses. It appears when Safari blocks legitimate (even intrusive) trackers. However, if you see it on suspicious sites (for example, with pirated content), this may be a sign that the site is trying to collect your data for fraud. In this case, it is better to close the tab immediately.

How can I find out what data they were trying to collect about me?

It is impossible to see the exact list of data that the tracker tried to collect - Safari blocks them at the network request level. However you can:

  1. View the tracker domain in the privacy report (usually this is google.com, facebook.com, doubleclick.net etc.).
  2. Use tools like Ghostery, which show exactly what data each tracker collects (for example, geolocation, browsing history, device data).
Will Safari block trackers if I access a site through a VPN?

Yes, ITP works regardless of VPN. However, a VPN can additionally hide your IP address from trackers, which will make it more difficult for them to create a profile. For example, if you use iCloud Private Relay (built in iCloud+), then Safari will mask your IP even for legitimate services, which will further protect you from tracking.

Why did the message appear more frequently after updating macOS?

Apple regularly tightens its privacy policy. For example, in macOS Sonoma (2023) was implemented ITP 3.0, which blocks everything third party cookies by default, whereas previously some exceptions were allowed. Also in new versions, the list of domains considered trackers has expanded (many advertising and analytical services have been added there).