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Cookie Policy

  • Version: 1.5
  • Effective date: 02.09.2026
  • This English text is an informational translation. The Russian version governs and Russian law applies.

1. Scope

https://lgc.ru, operated by Leon Group LLC, uses necessary cookies for operation and security, as well as Yandex Metrica analytical cookies. Contact: dev@lgc.ru.

2. Cookie categories

Necessary cookies

Always active because they support website operation, form protection, locale selection, consent storage, session handling and attack prevention where applicable.

Yandex SmartCaptcha loads on pages containing forms as a necessary protection against automated submissions. It may use technical identifiers and HTTP request information to perform the check; a form cannot be submitted without a successful verification.

Analytics cookies

Used to obtain aggregated traffic statistics and improve the website. Analytics starts whenever a page is opened.

The website uses Yandex Metrica tag No. 111545790, provided by YANDEX LLC. The Metrica code loads whenever a page is opened. Session Replay is enabled and may record anonymised visitor interactions on pages to analyse website usability.

Marketing cookies

Not used in the baseline version. They require a separate legal and technical review, updated documents and consent before deployment.

3. Planned register

  • Necessary — lgc_cookie_consent — categories and consent version — 12 months;
  • Necessary — lgc_locale — selected RU/EN/DE locale — 12 months;
  • Necessary — lgc_csrf or server equivalent — form protection — session;
  • Analytics — _ym_uid, _ym_d — visitor distinction and first-visit date — generally up to 1 year;
  • Analytics — _ym_isad — detects the presence of an ad blocker — up to 20 hours;
  • Analytics — _ym_metrika_enabled and technical _ym_<tag number>_* — testing and operation of Metrica — from the session duration to the period set by Yandex.

Actual names and periods must match the production code.

4. Cookie settings management

On the first visit, the banner provides “Accept all”, “Reject optional” and “Customise” actions.

Yandex Metrica starts immediately whenever a page is opened. “Reject optional” or disabling analytics in the settings stops Metrica on the currently open page. The panel can be reopened from the footer. Metrica starts again when a new page is opened; analytics cookies can additionally be restricted using browser or content-blocking settings.

5. Data and third parties

Cookie-related processing may include IP address, cookie identifier, date and time, URL, referrer, browser, device, locale and page interactions. Analytics must exclude form content, e-mail addresses, phone numbers and request text.

No third-party scripts, pixels, iframes, fonts or widgets may receive user data before the user's choice. Every actual provider must be disclosed in the Privacy Policy and cookie register.

6. Changes

The current version is published at /en/cookies and is updated when categories, providers, purposes or expiry periods change.