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Cookie expiration

Specify the number of days before the Optimizely visitor cookies will be set to expire.

Syntax

window["optimizely"].push(cookieExpiration);

Parameters

Parameter and Type

Child Attribute

Description

cookieExpiration
CookieExpirationObject

N/A

An object with the type field set to cookieExpiration. The other fields are the function arguments. Required.

type
object

Child attribute of type CookieDomainObject

The argument indicating that you are using the cookieExpiration function. Required.

cookieExpirationDays
integer

Child attribute of type CookieDomainObject

The cookie expiration defined in days.

Example Call

window["optimizely"].push({
  "type": "cookieExpiration",
  "cookieExpirationDays": 365
});

Description

Specify the number of days before the Optimizely visitor cookies will be set to expire. You must call "setCookieExpiration" prior to loading the Optimizely snippet. The minimum number of days that can be set is 90 (approximately three months). For more information on how Optimizely uses cookies, read our article on Cookies and localStorage in the Optimizely snippet.

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Note: Some Optimizely cookies are reset every time a visitor comes to the site, which means the expiration period set with this API call is used each time the cookie is set. You can also use the API to enable or disable the extend cookie lifetime function.