Below you will find an exhaustive list of the cookies used by OptinMonster to personalize your visitor’s experiences with our campaigns.

Cookie settings, such as length and expiration, are largely determined by your configuration. Cookies are not used externally (3rd party) for any purpose. They are specific to your site and allow for personalization based on your visitor’s interaction with your site.

_omappvp: used for determining new vs. returning visitors. Expires in 11 years.
_omappvs: used to determine when a new visitor becomes a returning visitor. Expires after 20 minutes of inactivity.
om-global-cookie / omGlobalSuccessCookie: used to prevent any future OptinMonster campaigns from showing on your site. Disabled by default, can be edited in the Site settings.
om-interaction-cookie / omGlobalInteractionCookie: used to determine if a visitor has interacted with any campaign on your site. Disabled by default, can be edited in the Site settings.
om-{id}: used to determine if a visitor has interacted with a campaign ID of {id} on your site. Default is 30 days, can be edited or disabled.
omSeen-{id}: used to determine if a visitor has been shown a campaign by the slug. No expiration date. Default is 30 days, can be edited or disabled.
om-success-{id} / omSuccess-{id}: used to determine if a visitor has successfully opted in to a campaign with the ID of {id} on your site. Default is 365 days, can be edited or disabled.
om-success-cookie / omSuccessCookie: used to determine if a visitor has successfully opted in to any campaign on your site to unlock content when using our Content Locking feature. Default is 365 days, can be edited or disabled.
om-{id}-closed / omSlideClosed-{id}: used specifically with slide-in campaigns {id} to determine if it has been closed or not by a visitor. Default is 30 days, can be edited or disabled.
omCountdown-{id}-{elementId}: used for countdown elements {elementId} in campaigns {id} to determine when it should complete. Default is disabled, can be customized when configuring timer.
_gat_omTracker*: set, controlled and used by Google Analytics to collect and store data and then send that data to Google Analytics. OptinMonster provides the name if there is no existing tracker found on that page. Expires when the current browser session ends.
_omra: used to store interaction and conversion data for campaigns in conjunction with Revenue Attribution. Expires in 1 year.

*{id} is a placeholder to indicate the unique ID assigned to an individual OptinMonster campaign.

Local and Session Storage

In addition to cookies, OptinMonster also makes use of your visitor’s local and session storage in their browser. As with cookies, these are not used externally (3rd party) for any purpose. They are specific to your site and allow for personalization based on your visitor’s interaction with your site.

omSessionStart: used to determine the current session time of the visitor on your site. Expires with the session.
omSessionPageviews: used to determine the number of pages seen by a visitor during their browsing session on your site. Expires with the session.
omFoldersSeen: used to determine the folders containing campaigns that have been seen by a visitor.
omFoldersOptin: used to determine the folders containing campaigns that have been opted in by a visitor.
omFoldersClosed: used to determine the folders containing campaigns that have been closed by a visitor.
omLastSeen: used to determine the last time a specific visitor was seen on your site.
omVisitsFirst: used to hold page, referrer and timestamp data for when a specific visitor first visited to your site.
omVisits: used to hold the journey data for a specific visitor on your site.