To aid Feathr's tracking and analytics, the Feathr Super Pixel places multiple cookies on a user's browser when they visit a page.

Cookies can only be placed when the Super Pixel is present but cookies can be read any time a Feathr resource is requested for a page. Reading cookies comes into play to identify repeat visits and, importantly, reading happens on sites that don't have the Super Pixel but are showing a Feathr ad. This is how Feathr tracks user activity off your website.


See below for the cookie we place and their descriptions.

f_id: Establishes a unique identification per browser. This helps Feathr determine the number of unique visitors to your site and serves as an identifier for remarketing.
Values for this cookie look like a hexcode uid, i.e. 56a7b328079d5e57616a9ab8, and it expires in 1 year.

f_hash: [Deprecated] Determines whether or not the visitor and page view represent legitimate traffic or potentially come from a bot or search engine crawler. This was abandoned for a more sophisticated method but browsers that have not cleared cookie caches recently may still have it.

feathr_session_id: Identifies user activity that is close together in time in order to group interactions.
Values for this cookie look like a hexcode uid, i.e. 56a7b328079d5e57616a9ab8, and it expires in 1 hour.

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