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This post knows where you're viewing it from (Lemmy doesn't proxy external images) [ARCHIVED]
(lemmy.ml)
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this post was submitted on 11 Aug 2023
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This is possible because Lemmy doesn't proxy external images but instead loads them directly. While not all that bad, this could be used for Spy pixels by nefarious posters and commenters.
Note, that the only thing that I willingly log is the "hit count" visible in the image, and I have no intention to misuse the data.
Interesting demo! Does this use the user agent string for identifying clients?
It does