Cookies and Similar Technologies

to store and track visits across websites.

Set when a user first lands on a page.Persists the Hotjar User ID which is unique to that site. Hotjar does not track users across different sites.Ensures data from subsequent visits to the same site are attributed to the same user ID.365 days duration.JSON data type.

Set when a user first lands on a page. Persists the Hotjar User ID which is unique to that site. Ensures data from subsequent visits to the same site are attributed to the same user ID. 365 days duration. UUID data type.

Identifies a new user’s first session.
Used by Recording filters to identify new user sessions.
30 minutes duration, extended on user activity.
Boolean true/false data type.

https://help.hotjar.com/hc/en-us/articles/6952777582999

_hjHasCachedUserAttributes

Enables us to know whether the data set in _hjUserAttributes Local Storage item is up to date or not.
Session duration.
Boolean true/false data type.

_hjUserAttributesHash

Enables us to know when any User Attribute has changed and needs to be updated.
2 minutes duration, extended every 30 seconds.
Content hash data type.

_hjUserAttributes

Stores User Attributes sent through the Hotjar Identify API.
No explicit expiration.
Base64 encoded JSON data type.

Stores user viewport details such as size and dimensions.
Session duration.
UUID data type.

Stores user active viewports IDs.
Stores an expirationTimestamp that is used to validate active viewports on script initialization.
JSON data type.

_hjSession_{site_id}

Holds current session data.
Ensures subsequent requests in the session window are attributed to the same session.
30 minutes duration, extended on user activity.
JSON data type.

Causes Hotjar to stop collecting data if a session becomes too large.
Determined automatically by a signal from the server if the session size exceeds the limit.
Session duration.
Boolean true/false data type.

_hjSessionResumed

Set when a session/recording is reconnected to Hotjar servers after a break in connection.
Session duration.
Boolean true/false data type.

Checks to see if the Hotjar Tracking Code can use cookies. If it can, a value of 1 is set.
Deleted almost immediately after it is created.
Under 100ms duration, cookie expiration time set to session duration.
Boolean true/false data type.

_hjLocalStorageTest

Checks if the Hotjar Tracking Code can use Local Storage.
If it can, a value of 1 is set.
Data stored in _hjLocalStorageTest has no expiration time, but it is deleted almost immediately after it is created.
Under 100ms duration.
Boolean true/false data type.

Checks if the Hotjar Tracking Code can use Session Storage. If it can, a value of 1 is set.
Data stored in _hjSessionStorageTest has no expiration time, but it is deleted almost immediately after it is created.
Under 100ms duration.
Boolean true/false data type.

Set to determine if a user is included in the data sampling defined by your site's pageview limit.
2 minutes duration, extended every 30 seconds.
Boolean true/false data type.

Set to determine if a user is included in the data sampling defined by your site's daily session limit.
2 minutes duration, extended every 30 seconds.
Boolean true/false data type.

Used to detect the first pageview session of a user.
30 minutes duration, extended on user activity.
Boolean true/false data type.

We try to store the _hjTLDTest cookie for different URL substring alternatives until it fails.
Enables us to try to determine the most generic cookie path to use, instead of page hostname.
It means that cookies can be shared across subdomains (where applicable).
After this check, the cookie is removed.
Session duration.
Boolean true/false data type.

_hjRecordingEnabled

Set when a Recording starts.
Read when the Recording module is initialized to see if the user is already in a recording in a particular session.
Session duration.
Boolean true/false data type.

Updated when a user recording starts and when data is sent to the server (the user performs an action that Hotjar records).
Session duration.
Numerical value (timestamp) data type.

Set when a user interacts with a Link Survey invitation modal.
Ensures the same invite does not reappear if it has already been shown.
365 days duration.
List of Survey IDs, URL encoded.

Set when a user completes an on-site Survey.
Ensures the same Survey does not reappear if it has already been filled in.
365 days duration.
List of Survey IDs, URL encoded.

_hjMinimizedPolls

Set when a user minimizes an on-site Survey.
Ensures that the Survey stays minimized when the user navigates through your site.
365 days duration.
List of Survey IDs, URL encoded.

_hjShownFeedbackMessage

Set when a user minimizes or completes a Feedback widget.
Ensures the Feedback widget will load as minimized if the user navigates to another page where it is set to show.
One day duration.
Boolean true/false data type.