Cookie files

Using the appropriate options of your browser, you can at any time:

  • delete cookies,
  • block the use of cookies in the future.
In such cases, we will no longer process them. To find out how to manage cookies, including how to block them, you can consult your browser's help file. You can read this information by pressing F1 in your browser. In addition, you will find relevant instructions on the following pages, depending on the browser you are using: Below you will find information on the functions of the cookies we process and their period of validity:

Cookie file name Validity periodExplanation
__utma 24 months This is one of the four main cookies set by Google Analytics, which allows for tracking visitor behaviour and measuring website performance. This cookie's lifetime is 2 years by default and distinguishes between Users and sessions.
__utmb 30 minutes This is the second of the four main cookie files set by Google Analytics, which allows for tracking visitor behaviour and measuring website performance. This cookie file specifies new sessions and visits and expires after 30 minutes.
__utmc Session Set to enable interoperability with older versions of the Google Analytics code. This is a session cookie which is deleted when the User closes the browser.
__utmt 10 minutes This cookie file is set by Google Analytics. According to its documentation, it is used to limit the bandwidth of the service – thus limiting data collection on high-traffic websites. It expires after 10 minutes.
__utmz 6 months This cookie file identifies the source of website traffic – that way Google Analytics can tell website owners where individual site visitors came from. The cookie's lifetime is 6 months and is updated each time data is sent to Google Analytics.
_ga 24 months Cookie file associated with Google Universal Analytics – which is an important update to the more frequently used Google Analytics service. This cookie file is used to distinguish unique Users by assigning a randomly generated number as a customer identifier. It is included in every page request on the website and is used to calculate visitor, session and campaign data for website analysis reports.
_gid 24 hours Cookie file associated with Google Universal Analytics. The cookie’s lifetime is 24 hours. It is used to distinguish Users.
_BEAMER_LAST_UPDATE_zeKLgqli17986 12 months Cookie file associated with the Hotjar service and helps us to track events and the way Users move around the Service - you can read more about this in the "Analytical activities" section. In addition, the file can measure the performance and stability of the application.
ajs_user_id 12 months Cookie file associated with the Hotjar service and helps us to track events and the way Users move around the Service - you can read more about this in the "Analytical activities" section. In addition, the file can measure the performance and stability of the application.
gcl_au 3 months An advertising cookie from Google Ads collecting conversion data - allows us to determine how many times people who have clicked on the ads have taken action on our website, such as registration.
fr 3 months A basic cookie used in Facebook ads, applied to display, measure effectiveness and improve the relevance of ads.
spin 1 day It collects information concerning, for instance, logging on to Facebook - this data may be used to adjust advertising tools to the user.
act session Used by Facebook for analytical and research purposes (understanding the way Facebook products are handled by users in order to indicate which parts of the service need to be improved).
c_user 365 days Used together with the xs cookie to authenticate User identity on Facebook.
x-referer session Used by Facebook for analytical and research purposes (understanding the way Facebook products are handled by users in order to indicate which parts of the service need to be improved).
wd 1 week A Facebook cookie that allows you to ensure the best possible results for your user screen.
dpr 1 week A Facebook cookie that allows you to ensure the best possible results for your user screen.
_fbp 3 months A Facebook cookie that identifies browsers for the purpose of providing advertising and site analysis services.
presence session A Facebook cookie used to enable features that help deliver Facebook products.
sb 2 years A Facebook cookie that identifies the browser for login and authentication purposes.
datr 2 years A Facebook cookie that identifies browsers for the purposes of site security and integrity, including account recovery and identification of potentially compromised accounts.
m_pixel_ratio session A Facebook cookie used to provide users with optimal conditions for site use, including fast loading of Facebook products.
xs 1 year Used together with the c_user cookie to authenticate user identity on Facebook.


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