Your Social Media Fingerprint (maybe NSFW)
Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you
Your Social Media Fingerprint (maybe NSFW) launched on October 12, 2016 with 911 votes, #3 of 3,690 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Your Social Media Fingerprint is a tool that analyzes a user's social media presence to identify patterns and characteristics. Launched in 2016, it examines data across social platforms to create a digital profile. The tool is designed for anyone curious about how their online behavior appears across services. It may contain mature content in some results.
written from the facts on this page · September 2026
From the sources
Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you're signed up. Since there are lots of platforms with specific demographics an attacker could reason about your personality, too. Update: If you see broken images like this: instead of a logo, the login detection won't work for this platforms because your browser is blocking requests to their domain. If you're using Firefox read the updates. For most web platforms there's a way to abuse the login mechanism to detect whether a user is logged in to that service. Although this vulnerability is well known for several years most companies won't fix it . The…from robinlinus.github.io
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