Codeforces
- The documents do not say whether your data trains AI.
- Your data is used for personalized ads, including by third-party ad companies.
- Data is shared only with the providers who run the service.
- The documents do not say who can read your content.
They collect account, location, and usage data, share it with Google and others, and you must email them to delete it.
Agent Trust Hub uses AI and may make mistakes. Review reports and confirm their contents before relying on them.
Collected
Account details, cookies, usage data, location, birthday, address, and more.
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Privacy policy
“Among the types of Personal Data that this Application collects, by itself or through third parties, there are: Cookies, Usage data, geographic position, email address, first name, last name, date of birth, country,”
Training
Used to run the site, analytics, social logins, location features, and Google ads personalization.
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Privacy policy
“The Data concerning the User is collected to allow the Owner to provide its services, as well as for the following purposes: Analytics, Displaying content from external platforms, Registration and authentication, Interaction with external social networks and platforms, Geolocation, Managing contacts and sending messages, Infrastructure monitoring and Hosting and backend infrastructure.”
Sharing
Staff plus vendors like hosts, mail carriers, Google, Facebook, and Twitter can see data.
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Privacy policy
“in some cases, the Data may be accessible to certain types of persons in charge, involved with the operation of the site (administration, sales, marketing, legal, system administration) or external parties (such as third party technical service providers, mail carriers, hosting providers, IT companies, communications agencies)”
Kept
They keep it as long as needed for the service; you must ask them to remove it.
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Privacy policy
“The Data is kept for the time necessary to provide the service requested by the User, or stated by the purposes outlined in this document, and the User can always request that the suspend or remove the data.”
Controls
You can email them to see, fix, or delete data; they do not honor Do Not Track.
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Privacy policy
“Users have the right, at any time, to know whether their Personal Data has been stored and can consult the to learn about their contents and origin, to verify their accuracy or to ask for them to be supplemented, cancelled, updated or corrected”
Fine print
They can change the policy anytime by posting on the page; no date is listed.
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Privacy policy
“The reserves the right to make changes to this privacy policy at any time by giving notice to its Users on this page.”
Expand “Read the exact line” to see the source alongside the explanation.
What you can turn off
The controls and opt-outs their own documents describe, and where they say to find them.
Email to see, fix, or delete your data
Contact e-mail: mirzayanovmr@gmail.com
Opt out of Google Analytics if offered
Google Analytics section: Place of processing: US – Privacy Policy – Opt Out
Turn off location in your browser or device
Geolocation section: Most browsers and devices provide tools to opt out from this feature by default.
If a switch is not where they say, the deletion request above still applies.
Line by line
The lines that matter most, worst first.
Google Analytics on this site can feed Google’s ad network so ads elsewhere may follow you.
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Privacy policy
“Google may use the Data collected to contextualize and personalize the ads of its own advertising network.”
For example, after you visit Codeforces, Google might show you related ads on other websites.
They can collect and share where you are, not just what you type on the site.
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Privacy policy
“This Application may collect, use, and share User location Data in order to provide location-based services.”
For example, your geographic position could be stored and shared if location features are on.
Turning on Do Not Track in your browser will not stop their tracking.
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Privacy policy
“This Application does not support “Do Not Track” requests.”
For example, even if your browser sends DNT, they still collect cookies and usage data.
They can change the rules by updating this page; you are told to check it yourself.
Read the exact line
Privacy policy
“The reserves the right to make changes to this privacy policy at any time by giving notice to its Users on this page.”
For example, they could add new sharing without emailing you first.
They can use your data in legal fights if they think you misused the site.
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Privacy policy
“The User's Personal Data may be used for legal purposes by the , in Court or in the stages leading to possible legal action arising from improper use of this Application or the related services.”
For example, they might hand over your account info if they take you to court over cheating.
There is no set delete-by date; you have to ask them to take data down.
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Privacy policy
“The Data is kept for the time necessary to provide the service requested by the User, or stated by the purposes outlined in this document, and the User can always request that the suspend or remove the data.”
For example, after you stop competing you email mirzayanovmr@gmail.com to request removal.
They say they use security measures, but they do not name audits or certifications.
Read the exact line
Privacy policy
“The processes the Data of Users in a proper manner and shall take appropriate security measures to prevent unauthorized access, disclosure, modification, or unauthorized destruction of the Data.”
For example, they claim to try to stop leaks, without describing encryption or a bug-bounty program.
You can ask to see, fix, or cancel your personal data by contacting them.
Read the exact line
Privacy policy
“Users have the right, at any time, to know whether their Personal Data has been stored and can consult the to learn about their contents and origin, to verify their accuracy or to ask for them to be supplemented, cancelled, updated or corrected”
For example, you can email the owner and ask them to cancel your email and birthday on file.
Words to know
Legal words from the lines above, in plain English.
- personal data
- Any information that is about you or can be linked to you, from your name to your phone's ID. For example, your email, your IP address and the list of apps on your phone are all personal data.
- third parties
- Any company or person other than you and the app, such as advertisers, partners or analytics firms. For example, an analytics company that receives a record of every screen you tap is a third party.
- cookies
- Small files a website saves on your device so it can recognise you and remember what you did. For example, a cookie keeps you logged in and can also tell an ad company which sites you visited.
- precise geolocation
- Your exact position, usually from GPS, often accurate to within a few metres. For example, an app can tell not just your city but which building you are in right now.
- service providers
- Outside companies that handle your data on the app's instructions, such as a cloud host or an email sender. For example, the company that stores the app's files in the cloud sees your data but only does what the app tells it.
- data controller
- The company that decides why and how your data is used, and is responsible for it under privacy law. For example, the app maker is the controller; the cloud company storing files for it is only a processor.
How we got here · grade D · score 36/100 · 15 of 15 policy answers backed by a verified quote · 8 not stated
What does the app collect beyond what it needs to work?
They collect cookies, usage data, geographic position, birthday, delivery address, and social-login data, more than a coding site needs to run contests.
Does it record your voice, face or body, and what happens to that?
The policy does not mention voice, face, or body data.
Are your chats and uploads used to train AI models, and is that off by default?
Not stated in the documents.
Can employees or contractors read your conversations, and when?
Not stated in the documents.
Are you profiled or tracked for advertising?
Google Analytics and social widgets collect cookies and usage data, and Google may personalize its ads.
Do they sell or share your data, and can you opt out?
Data can go to staff and vendors such as hosts, mail carriers, Google, and Facebook acting as processors; they also mention aggregated sharing.
What rights do they take over what you type and what the AI makes?
Not stated in the documents.
How long do they keep your data after you delete it, and can you delete it in the app?
They keep data as long as needed for the service; you must contact them to suspend or remove it.
Does it build a lasting memory or profile of you, and can you see, edit or turn it off?
Not stated in the documents.
Do they commit to basic security, and have they leaked data?
They say they take appropriate security measures against unauthorized access, without naming audits.
Is there a real age gate, and are teens protected?
Not stated in the documents.
Will they tell you when the rules change, and is the policy specific?
The policy has no last-updated date and says they may change it by posting on the page.
Can they close your account without warning, and can you get your data out first?
Not stated in the documents.
If something goes wrong, who pays?
Not stated in the documents.
Do subscriptions renew on their own, and can you get a refund?
Not stated in the documents.
The privacy policy is 2,037 words at a college level (Flesch reading ease 41.2).