Cookies policy

Revision 1 dated 15.06.2026

This English text is a translation of the Russian original and is provided for convenience. In the event of any discrepancy between the English and the Russian version, the Russian version prevails.

1. Introduction

This document describes how we use cookies and similar technologies on our Service (hereinafter — the "Service"). Cookies are small text files that are stored on your device when you visit a website.

By using the Service, you agree to the use of cookies in accordance with this policy.

2. What are cookies?

A cookie is a text file containing a small amount of data which:

Is exchanged between your browser and our servers
Is stored on your device (computer, smartphone, tablet)
Can be read by the website that created it
Helps websites remember information about you

3. Types of cookies

3.1 By lifetime

Session cookies:

Are deleted automatically when the browser is closed
Are used to store information temporarily during your visit
Do not require separate consent for essential functions

Persistent cookies:

Remain on your device after the browser is closed
May last for several days, months or years
Require separate consent

3.2 By origin

First-party cookies:

Are set by our Service
Can be read only by our website
For example: example.com can create only its own cookies

Third-party cookies:

Are set by other services (analytics, payments)
Can be read by other sites
Require the user's explicit consent

4. Categories of cookies we use

4.1 Essential (mandatory) cookies ⚠️

These cookies are necessary for the Service to work correctly and do not require consent.

They include:

Identification of your session and authentication
Protection against attacks (CSRF protection)
Storage of your basic preferences (language, interface theme)
Securing access to the API

Lifetime: From the end of the session up to 1 year, depending on the type

4.2 Functional cookies

Improve convenience and the personalisation of the user experience. Require consent.

They include:

Remembering your preferences and settings
The state of the interface (expanded/collapsed, open panels)
Storing the history of your actions in the current session
Personalisation of how content is displayed

Lifetime: Usually from several days up to 1 year

4.3 Analytics cookies

Help us understand how users use the Service and where we can improve it. Require consent.

They include:

Tracking the number of visits and users
Analysis of the time spent on different pages
Identification of popular features and sections
Collection of information about device and browser types

The data is used only to:

Improve the performance of the Service
Fix problems with functionality
Analyse anonymised user behaviour

Lifetime: From 1 day to 2 years, depending on the analytics service

Providers: May include third-party analytics services

4.4 Payment system cookies

Used by payment providers when processing payments and paying for services.

They include:

Identification of the payment session
Fraud prevention and payment security
Processing and confirmation of the payment
Compliance with payment system security requirements

Providers: Robokassa, CloudPayments

Privacy policies:

5. How to manage cookies

5.1 Managing cookies in your browser

Google Chrome:

Open Settings → Privacy and security → Cookies and other site data
Select the options you need:
- Allow all cookies
- Block third-party cookies
- Block all cookies

Mozilla Firefox:

Open Settings → Privacy & Security
In the "Cookies" section, choose the level of protection you need

Safari (macOS/iOS):

Settings → Privacy
Tick "Block all cookies" and choose the level

Microsoft Edge:

Settings → Privacy → Clear browsing data
Select "Cookies and other site data"

5.2 Managing cookies on our Service

On your first visit to the Service you will be asked for consent to the use of cookies. You may:

Accept all — allow the use of all types of cookies
Essential only — use only the mandatory cookies
Manage preferences — select specific categories

5.3 Declining cookies

If you decline cookies (other than the essential ones), this may result in:

A reduced quality of the user experience
Some features being unavailable
However: the Service remains fully functional without functional and analytics cookies

6. What data can be entrusted to cookies?

6.1 What data is stored in cookies

Typically stored:

Session and authentication identifiers
Your interface preferences and settings
Information about your use of the Service (which features you use)
Analytics data about behaviour (anonymised)

NOT stored in cookies:

Passwords or authentication keys
Full personal data
The content of your requests and their results
Financial information (card numbers, payment details)

6.2 Cookie security

All cookies on our Service:

Are transmitted only over HTTPS (a secure connection)
Are marked with the HttpOnly flag (inaccessible to JavaScript)
Are marked with the Secure flag (transmitted only over HTTPS)
Are marked with the SameSite flag (protection against CSRF attacks)

7. Your rights and consent to cookies

7.1 How we obtain consent

A cookie banner on your first visit
Explicit consent is required for functional and analytics cookies
Declining does not restrict access to the Service (other than optimisations)

7.2 How long consent is valid

Once given, consent is valid for 1 year
You may withdraw your consent at any time in the settings

7.3 Your rights in respect of data collected through cookies

The rights of access, rectification, erasure and withdrawal of consent in respect of personal data, including data collected through cookies, are described in section 8 of our Privacy Policy.

8. Third-party cookies

8.1 Analytics services

We may use third-party analytics services to analyse the use of the Service. These services may set their own cookies in order to:

Track user sessions
Collect information about behaviour on the site
Analyse the effectiveness of features

You can manage your consent to these cookies in the preferences management section.

8.2 Payment systems

When you make a payment, Robokassa, CloudPayments and the other payment providers we use may set their own cookies in order to:

Prevent fraud
Secure the payment
Comply with payment system security requirements

They will process your data in accordance with their own privacy policies.

9. How long are cookies stored?

Session cookies: are deleted automatically when the browser is closed

Persistent cookies:

Essential: 30 days – 1 year
Functional: 90 days – 1 year
Analytics: 24 hours – 2 years

You can delete cookies manually through your browser settings.

10. Updates to this policy

We may update this policy at any time when our cookie practices change. Updates will be posted on this page.

If we add new types of cookies, we will ask for your consent.

Thank you for using our Service!

Company details

Dmitrii Sgonnov, Sole Proprietor
Tax ID: 422922383420
Reg. number: 326547600002879
Address: Apt. 87, 126 Bolshevistskaya St., Novosibirsk, 630083, Russia
E-mail: support@digitalmechanics.dev