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Ariadne is a browser extension that helps you become aware of deceptive design in cookie banners on the Web. It does this through a set of specifically-trained machine learning models that detect deceptive design patterns within the language and the design of cookie banners.
It is compliant with Manifest V3, the new extension API for Google Chrome and Chromium-based browsers. It is also compatible with Firefox, for which it uses the older Manifest V2 API, since the V3 API is not yet fully supported as of the time of writing.
Ariadne is part of an ongoing research project on the automated detection of deceptive design in cookie banners.
Upon installation, the browser extension displays information upon clicking the icon on the top bar of the browser or from the dropdown selection of browser extensions.
Ariadne's icon when deceptive design is not detected
Ariadne's icon when deceptive design is detected
The console displays a wealth of information. Most importantly, it flags whether or not deceptive design was detected on the page. If detected, the browser extension has a purple banner and icon indicator, indicating that the cookie banner on the page may be making use of unclear language, weighted options, or both.
Ariadne's banner when deceptive design is not detected
Ariadne's banner when deceptive design is detected
You can also view whether the website you're on has been previously reported by other users for having used deceptive design.
You can submit your own report by clicking the report button at the bottom or pressing the thumbs up or thumbs down at the banner. These reports can be viewed on Ariadne's dashboard, Olympus.