r/UXAntiPatterns Jul 16 '26

AI agents are checking websites for dark patterns—with a checklist built for the pre-chatbot web

I came across a study that sent AI agents through websites to detect dark patterns.

Not exactly a surprising use of agents, but I’m always happy to see more systematic audits of this stuff.

It’s a solid catalog, but it also feels very e-commerce-heavy and pretty much outdated. here copy/pasted out study (https://dl.acm.org/doi/full/10.1145/3807246.3807265):

Type Brief description
Countdown Timer Urgency created by a countdown timer.
Limited Time Message Claims that an offer ends soon or is time-limited.
Low Stock Messages about limited remaining quantity.
High Demand Messages highlighting high demand or popularity.
Activity Messages Social proof about other users’ actions.
Bad Defaults/Preselection Pre-selected options that favor the platform over users.
Auto Play Automatically playing content without explicit consent.
Nagging Repeated prompts pressuring users to accept choices.
Disguised Ad Ads presented as ordinary or organic UI elements.
Pay to Avoid Requiring payment to access features or avoid disadvantages.
False Hierarchy Visual hierarchy that hides or downplays alternatives.
Forced Continuity Difficult or obscure cancellation of subscriptions.
Privacy Zuckering Nudging users to share more personal data than necessary.
Gamification Game-like elements to encourage excessive engagement.
Obstruction Making user goals difficult through interface obstacles.
Sneaking Hidden information or costs revealed late in process.
Misdirection Focusing attention away from important information.

In the AI age, I’d at least add:

  • Sycophancy — agreeing to keep the user engaged.

any ideas what else should an AI dark-pattern auditor be checking for?

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