We believe in full transparency about the cookies we use. This policy explains what cookies are, which ones we use, and how you can control them.
Last updated: February 22, 2026 · Effective: February 22, 2026
Cookies are small text files that are placed on your device when you visit a website. They are widely used to make websites work more efficiently, provide a better user experience, and give website owners useful information.
Cookies can be "first-party" (set by the website you are visiting) or "third-party" (set by a different domain). They can also be "session" cookies (deleted when you close your browser) or "persistent" cookies (remain on your device for a specified period).
We categorize cookies by purpose. Strictly necessary cookies cannot be disabled. All other categories require your explicit consent.
These cookies are essential for the website to function and cannot be disabled. They are set in response to actions you take such as logging in, setting preferences, or filling in forms.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| next-auth.session-token | Maintains your authenticated session | 30 days | First-party |
| next-auth.csrf-token | Prevents cross-site request forgery attacks | Session | First-party |
| next-auth.callback-url | Stores the redirect URL after authentication | Session | First-party |
| optistack-cookie-consent | Stores your cookie consent preferences | 365 days | First-party |
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. They help us improve site performance and user experience.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| _ga | Distinguishes unique users for Google Analytics | 2 years | Third-party (Google) |
| _ga_* | Maintains session state for Google Analytics 4 | 2 years | Third-party (Google) |
These cookies enable enhanced functionality and personalization, such as remembering your preferred settings, theme, and language. If disabled, some features may not work as expected.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| optistack-theme | Stores your preferred color theme (light/dark) | 365 days | First-party |
| optistack-locale | Stores your preferred language | 365 days | First-party |
These cookies are used to deliver advertisements relevant to you. They track visitors across websites and collect information to provide customized ads. Currently, OptiStack does not use marketing cookies.
No cookies in this category are currently in use.
When you first visit OptiStack, you will see a cookie consent banner that allows you to choose which categories of cookies to accept. You can change your preferences at any time by clicking the "Cookie Settings" link in the footer.
Your consent preferences are stored in a first-party cookie (optistack-cookie-consent) on your device for 365 days. If you clear your cookies, you will be asked for consent again on your next visit.
In addition to our consent banner, you can manage cookies through your browser settings. Note that disabling cookies may affect website functionality.
Settings > Privacy and Security > Cookies and Other Site Data > See All Cookies and Site Data
Settings > Privacy & Security > Cookies and Site Data > Manage Data
Preferences > Privacy > Manage Website Data
Settings > Cookies and Site Permissions > Manage and Delete Cookies and Site Data
Some cookies are placed by third-party services that appear on our pages. We do not control these cookies and recommend reviewing the respective privacy policies of these providers:
We only load third-party cookies after receiving your explicit consent through our cookie consent banner.
For any questions about our use of cookies or to exercise your data rights, contact our privacy team.
Email: privacy@optistack.com