Cookies policy

This site uses cookies to improve the quality of services provided. This policy is the part of our Privacy Policy.

Technical information

We collect information to be sure that used devices support our service.

  • IP adress
  • Version of browser
  • Type of device
  • Version of operating System


This website uses Yandex.Metrica web analytics provided by Yandex Oy Limited Company — Moreenikatu 6, 04600 Mantsala, Finland (hereinafter referred to as the “Yandex”).

Yandex.Metrica uses “cookies,” small text files placed on users’ computers to analyze user activity.

Information collected by cookies does not reveal your identity, but it can help us to improve our website performance. Information about your use of this website collected by cookies will be transferred to Yandex and stored on Yandex’s server in the EU and the Russian Federation. Yandex will process this information to assess how you use the website, compile reports for us on our website operation, and provide other services. Yandex processes this information as specified in the Terms of Use of Yandex.Metrica Service.

You can stop using cookies be making relevant adjustments in browser settings. You can also use the tool However, it can affect some website functions. By using this website, you agree that Yandex can process your data in the above manner and for the above purposes.

Name of cookie Period of validity Description Domain where it is set
Name of cookie Period of validity Description Domain where it is set
_ym_isad 2 days Used to determine if a visitor has ad blockers The domain where the tag is installed
_ym_uid 1 year Used for identifying site users
_ym_d Date of the user’s first site session
yabs-sid Until the session ends Session ID All Yandex.Metrica domains
_ym_debug Indicates that debug mode is active
_ym_mp2_substs Used for Target Call
i 1 year Used for identifying site users
usst Stores auxiliary information for syncing site user IDs between different Yandex domains
_ym_visorc_* 30 minutes Allows Session Replay to function correctly
_ym_hostIndex 1 day Limits the number of requests
_ym_mp2_track 30 days Used for Target Call
zz 90 days Used for identifying site users


Google Analytics

Google Analytics is a simple, easy-to-use tool that helps website owners measure how users interact with website content. As a user navigates between web pages, Google Analytics provides website owners JavaScript tags (libraries) to record information about the page a user has seen, for example the URL of the page. The Google Analytics JavaScript libraries use HTTP Cookies to «remember» what a user has done on previous pages / interactions with the website.

Cookie Name
Expiration Time
_ga 2 years Used to distinguish users.
_gid 24 hours Used to distinguish users.
_gat 1 minute Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this cookie will be named_dc_gtm_<property-id>.
AMP_TOKEN 30 seconds to 1 year Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service.
_gac_<property-id> 90 days Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out.

Google Tag manager

Cookie Name
_dc_gtm_UA-XXXXXXXX-Y This cookie is associated with Google Tag Manager which we use to load scripts into our website pages.

More information on Google website.