This cookie name is being set on 38,225 websites and 22,137 distinct domains and we have seen it bein used in the following objects:

  • 38,225 HTTP cookies

Cookie origin and purpose

  • Generic JavaScript check cookie. This cookie is used by many web application frameworks and content management systems (e.g. Drupal) to check if the client browser supports JavaScript to enable improved user experience on the website. (confidence 1.0) » Reference...
  • Conversant functional cookie to store user's personal choices and preferences (confidence 1.0) » Reference...
  • Taboola technical cookie that keeps a record of the browser capability of running JavaScript for site performance (confidence 1.0) » Reference...

Cookie classification

  • unknown (confidence 0.3)
  • functional (confidence 0.3)
  • necessary (confidence 0.3)

Sample values

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Sample value:
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Domains targeted by has_js cookie

This list includes both third-party domains set by tracking and adversing companies, as well as the first-party domains of the websites that use this cookie name.

Websites setting has_js cookie

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