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It uses a CSS rule that checks if you have visited the link to submit on hacker news. https://social.treehouse.systems/@marcan/110503368406970051 https://socia
by shoxidizer 3y ago
It uses a CSS rule that checks if you have visited the link to submit on hacker news.
https://social.treehouse.systems/@marcan/110503368406970051 https://social.treehouse.systems/@marcan/110503368406970051
- throwawayadvsec 3y agowait so you can detect if any of your visitors visited any link before? isn't that a huge privacy risk?
- shoxidizer 3y agoIt's probably not being done here , but it's possible to do. The CSS rule is processed in your browser, so it doesn't actually tell the server if you've been to the link, but in theory a website could have some javascript that tries to detect if the CSS rule was activated.