Cookie Policy (EU)
What are Cookies?
Cookies are small text files that are stored on your computer or mobile device when you visit our website. They allow the website to remember your actions and preferences (such as login, language, font size, and other display preferences) over a period of time, so you don't have to re-enter them each time you return to the site or browse from one page to another.
How We Use Cookies and Browser Storage
Our website uses cookies and browser storage technologies to enhance your user experience and provide our services. Below we explain the different types of storage technologies we use:
Cookie Consent
On your first visit, a cookie banner is displayed. There you can choose whether to accept only essential cookies or also analytics cookies. You can change your settings at any time:
1. Essential Cookies and Storage
These are essential for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services.
2. Authentication Token (localStorage)
We store your authentication token in your browser's localStorage. This is required to keep you logged in after authentication and to ensure secure access to your account.
Stored Data:
- accessToken - Your encrypted authentication token (JWT)
- refreshToken - Token for automatic session renewal
- user_data - Basic user information for faster loading
- preferredLoginMethod - Your preferred login method (password or email code)
- ibki_consent - Your cookie consent preferences (Cookie, 1 year)
Note: The token is valid for 180 days and is automatically renewed.
3. Language Preferences
We store your language preference so that the website is displayed in your preferred language.
NEXT_LOCALE - Stores your language selection (de/en)
4. Analytics Cookies (consent required)
These cookies are only set after your explicit consent via our cookie banner. They help us understand how visitors use our website.
Microsoft Clarity - Web analytics service
- _clck - User ID for session attribution (duration: 1 year)
- _clsk - Session linking and page statistics (duration: 1 day)
- CLID - Device identification (duration: 1 year)
- ANONCHK - Anonymous user check (duration: session)
- MR - Microsoft tracking reference (duration: 6 months)
- SM - Session management (duration: session)
Data collected: click behavior, scroll behavior, mouse movements, heatmaps, anonymized session recordings. Provider: Microsoft Corporation (USA), safeguarded by EU-US Data Privacy Framework.
5. Local Database (IndexedDB)
Our web app uses IndexedDB (a browser-internal database) for local storage of presentation data:
PresentationDB - Stores presentation slides and related data locally in the browser for faster loading times. Deleted upon account deletion or manually via browser settings.
Real-time Connections (WebSocket)
Our application uses WebSocket connections for real-time communication. This technology enables:
- Live transcription during presentation recording
- Real-time feedback on your speech analysis
- Instant session status updates
- Interactive training environments
WebSocket connections are only established when you are actively using application features and are automatically disconnected when you leave the page.
Overview of Technologies Used
| Name | Type | Purpose | Duration |
|---|---|---|---|
| Essential (always active) | |||
| accessToken | localStorage | Authentication (JWT) | 180 days |
| refreshToken | localStorage | Session renewal | 180 days |
| user_data | localStorage | User profile cache | 180 days |
| preferredLoginMethod | localStorage | Login preference | Persistent |
| NEXT_LOCALE | Cookie | Language setting | 1 year |
| ibki_consent | Cookie | Cookie consent | 1 year |
| PresentationDB | IndexedDB | Presentation data cache | Persistent |
| WebSocket | Connection | Real-time communication | Session |
| Analytics (consent required) | |||
| _clck | Cookie | Clarity – User ID | 1 year |
| _clsk | Cookie | Clarity – Session linking | 1 day |
| CLID | Cookie | Clarity – Device ID | 1 year |
| ANONCHK | Cookie | Clarity – Anonymous check | Session |
| MR | Cookie | Microsoft – Tracking reference | 6 months |
| SM | Cookie | Microsoft – Session management | Session |
How to Manage Cookies and Storage
You can disable analytics cookies at any time via our cookie settings. Essential cookies and localStorage data can be managed or deleted through your browser. However, please note that deleting this data will require you to log in again and certain preferences will be lost.
How to clear stored data:
- Open your browser's developer tools (F12 or right-click → Inspect)
- Go to the "Application" tab
- Select "Local Storage" or "Cookies" from the sidebar
- Right-click and select "Clear"
Third-party Services
Our website uses the following third-party services that may set their own cookies:
- Vercel Inc. - Hosting & Delivery – Server location: Frankfurt, Germany (EU)
Privacy Policy - Microsoft Azure - Backend, speech analysis & text processing – Server location: Europe (EU region)
Privacy Policy - Microsoft Clarity - Web analytics (consent-based only) – Safeguarded by EU-US Data Privacy Framework
Privacy Policy - OpenAI - AI-powered speech analysis, feedback & speech synthesis – Server location: USA (DPF & SCCs)
Privacy Policy - Mistral AI - AI-powered Dialog Trainer (STT, LLM, TTS) – Server location: France (EU)
Privacy Policy
Contact
If you have questions about our cookie policy, please contact us:
ImmBlend GmbH
E-Mail: info@immblend.de
Last updated: June 2026