Website: https://www.unistem.lk
Last Updated: October 2, 2025
This Cookie Policy explains how UNISTEM (“Company,” “we,” “us,” and “our”) uses cookies and similar technologies to recognize you when you visit our website at https://www.unistem.lk (“Website”). It explains what these technologies are and why we use them, as well as your rights to control our use of them. In some cases, we may use cookies to collect personal information, or information that becomes personal information if we combine it with other information.
1. What are cookies?
Cookies are small data files that are placed on your computer or mobile device when you visit a website. Cookies are widely used by website owners in order to make their websites work, or to work more efficiently, as well as to provide reporting information.
- First-party cookies are cookies set by the website owner (in this case, UNISTEM).
- Third-party cookies are cookies set by parties other than the website owner. These enable third-party features or functionality to be provided on or through the website (e.g., analytics or live chat services). The parties that set these third-party cookies can recognize your computer both when it visits the website in question and when it visits certain other websites.
2. Why do we use cookies?
We use first and third-party cookies for several reasons. Some cookies are required for technical reasons in order for our website to operate, and we refer to these as “essential” or “strictly necessary” cookies. Other cookies also enable us to track user interests and usage patterns to enhance the experience on our website.
The specific types of cookies served through our website and the purposes they perform fall into the following categories:
| Cookie Category | Purpose |
|---|---|
| Essential Website Cookies | These cookies are strictly necessary to provide you with services available through our website and to use its core features (e.g., basic platform function). The Website cannot function properly without them. |
| Analytics Cookies | These cookies collect information, often in an aggregated form, to help us understand how our website is being used and how effective our content is, allowing us to improve the site. |
| Functionality Cookies | These cookies allow the Website to remember choices you make (like language preferences) and provide enhanced, more personal features, such as enabling our live chat support service. |
3. Specific Cookies Used on UNISTEM.lk
The following first-party and third-party cookies are set via the UNISTEM.lk domain:
| Cookie Category | Name | Purpose | Provider | Expiry |
|---|---|---|---|---|
| Essential | wordpress_test_cookie | Used by the WordPress platform to test if the user's browser is configured to allow cookies. | unistem.lk | Session |
| Analytics | _ga | Registers a unique ID (Client ID) used by Google Analytics to generate statistical data on how the visitor uses the website. | unistem.lk (Google Analytics) | ~2 Years |
| Analytics | _ga_... | Stores and tracks the session state and specific user interactions for a particular Google Analytics property. | unistem.lk (Google Analytics) | ~2 Years |
| Functionality | wp_lang | Stores the user's selected interface language for the website (e.g., en_US). | unistem.lk | Session |
| Functionality (Live Chat) | TawkConnectionTime | Used by the Tawk.to live chat service to track the user's connection time during a chat session. | unistem.lk (Tawk.to) | Session |
| Functionality (Live Chat) | twk_idm_key | Used by Tawk.to for live chat session management and identification. | unistem.lk (Tawk.to) | Session |
| Functionality (Live Chat) | twk_uuid_... | Tawk.to's unique visitor identifier (UUID), enabling consistent identification for repeat chat visitors. | unistem.lk (Tawk.to) | ~1 Year |
4. How can I control cookies?
You have the right to decide whether to accept or reject cookies.
Cookie Consent Manager:
If available on our website, you can exercise your cookie rights by setting your preferences in a dedicated Cookie Consent Manager. This allows you to select which categories of cookies you accept or reject. Essential cookies cannot be rejected as they are strictly necessary to provide you with services.
Browser Controls:
You may also set or amend your web browser controls to accept or refuse cookies. As the means by which you can refuse cookies through your web browser controls vary from browser to browser, you should visit your browser's help menu for more information.
Opt-Out Links:
Most advertising and analytics networks offer you a way to opt out of targeted advertising and tracking. For more information, please visit:
If you choose to reject non-essential cookies, you may still use our Website, though your access to some functionality and areas (such as the live chat service) may be restricted.
5. Contact Us
If you have any questions about our use of cookies or other technologies, please contact us by:
Email: info@unistem.lk
Post: UNISTEM, 191/50, Mangala Gardens, Thimbirigasyaya Road, Colombo 5, Sri Lanka
Phone: +94 11 2691177



