It's useful in the few cases where UAs support different features in ways that t... | Hacker News

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		tbrownaw on June 15, 2024 \| parent \| context \| favorite \| on: Perplexity AI is lying about their user agent It's useful in the few cases where UAs support different features in ways that the standard feature-detection APIs can't detect. I think that's supposed to be fairly rare these days.

marcosdumay on June 15, 2024 [–]

That's not supposed to happen anymore. (AFAIK, it was never supposed to happen, it just happened without people wanting it to.)

Instead, today there are different sets of features supported by engines with the same user agent.

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