I'm not familiar with writing browser extensions, but data URI comes to mind. | Hacker News

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		leni536 on Jan 8, 2019 \| parent \| context \| favorite \| on: How LinkedIn detects browser extensions I'm not familiar with writing browser extensions, but data URI comes to mind.

xg15 on Jan 9, 2019 [–]

Ah, right, I forgot those. That's true of course.

I think you could still use them for side-effect detection (watch for images/scripts/etc with a known data uri suddenly appearing in your DOM) - but at least you couldn't actively query it without the extension doing anything.

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