Cookie Policy
Last updated: March 29, 2026
Effective Date: January 16, 2026
1. Introduction
This Cookie Policy explains how RapierCraft Inc. ("AlterLab," "we," "us," or "our") uses cookies and similar tracking technologies on our website at alterlab.io (the "Website").
By using our Website, you consent to the use of cookies in accordance with this Cookie Policy. If you do not agree with our use of cookies, you should change your browser settings accordingly or discontinue use of our Website. Please note that disabling certain cookies may affect the functionality of our Website.
This Cookie Policy should be read in conjunction with our Privacy Policy, which provides additional information about how we collect, use, and protect your personal information.
3. Types of Cookies We Use
3.1 Essential Cookies
These cookies are necessary for the Website to function properly and cannot be disabled in our systems. They are usually set in response to actions you take, such as logging in, setting your privacy preferences, or filling in forms.
| Cookie Name | Purpose | Duration |
|---|---|---|
| next-auth.session-token | Authentication session management - keeps you logged in | Session |
| next-auth.csrf-token | Security token to prevent cross-site request forgery attacks | Session |
| next-auth.callback-url | Stores the URL to redirect to after authentication | Session |
| __Secure-next-auth.session-token | Secure version of the session token (HTTPS only) | 30 days |
| alterlab_consent | Stores your cookie consent preferences | 1 year |
3.2 Analytics Cookies
These cookies help us understand how visitors interact with our Website by collecting and reporting information anonymously. We use Microsoft Clarity for heatmaps, session recordings, and behavioral analytics to improve our Website's performance and user experience.
| Cookie Name | Purpose | Duration |
|---|---|---|
| _clck | Microsoft Clarity - persists the Clarity user ID | 1 year |
| _clsk | Microsoft Clarity - connects multiple page views in a session | 1 day |
| CLID | Microsoft Clarity - identifies first-time visitors | 1 year |
| ANONCHK | Microsoft Clarity - indicates whether MUID cookie is used | 10 minutes |
| MR | Microsoft Clarity - indicates whether to refresh MUID | 7 days |
| MUID | Microsoft Clarity - identifies unique browsers across Microsoft sites | 1 year |
| SM | Microsoft Clarity - synchronizes MUID across Microsoft domains | Session |
3.3 Preference Cookies
These cookies enable the Website to remember choices you make (such as your username, language, or region) and provide enhanced, more personalized features.
| Cookie Name | Purpose | Duration |
|---|---|---|
| theme | Stores your dark/light mode preference | 1 year |
| language | Stores your preferred language | 1 year |
| sidebar_state | Remembers whether the dashboard sidebar is collapsed | 30 days |
| code_theme | Stores your preferred code syntax highlighting theme | 1 year |
4. Third-Party Cookies
We use services provided by third parties that may set cookies on your device when you visit our Website. We do not control these third-party cookies. Please review the privacy policies of these third parties for more information.
4.1 Microsoft Clarity
We use Microsoft Clarity to understand how users interact with our Website through heatmaps, session recordings, and behavioral analytics. Clarity helps us identify usability issues and improve user experience.
Microsoft Clarity collects information such as mouse movements, clicks, scrolls, and page navigation patterns. All data is anonymized and session recordings mask sensitive information by default.
Data Collected: Page views, clicks, scrolls, mouse movements, device information, browser type, and anonymized IP addresses.
Data Storage: Microsoft stores Clarity data on servers in the United States and retains it for up to 3 months.
Opt-out: You can disable analytics cookies through our cookie consent banner or your browser settings. Clarity also respects Do Not Track browser signals.
Privacy Policy: Microsoft Privacy Statement
Clarity Documentation: Clarity Cookie List
4.2 Authentication Providers (NextAuth.js)
We use NextAuth.js for authentication, which may set cookies to manage your session and authentication state. If you choose to sign in using third-party providers (e.g., Google, GitHub), those providers may also set cookies.
Third-party authentication providers:
- Google: Privacy Policy
- GitHub: Privacy Statement
4.3 Stripe (Payment Processing)
We use Stripe to process payments. Stripe may set cookies to help detect and prevent fraud, as well as to provide you with a secure payment experience.
Privacy Policy: Stripe Privacy Policy
5. Complete Cookie Reference
The following table provides a comprehensive list of all cookies used on our Website:
| Cookie Name | Purpose | Type | Duration |
|---|---|---|---|
| next-auth.session-token | Authentication session management | Essential | Session |
| next-auth.csrf-token | CSRF protection | Essential | Session |
| next-auth.callback-url | Post-authentication redirect | Essential | Session |
| __Secure-next-auth.session-token | Secure session token (HTTPS) | Essential | 30 days |
| alterlab_consent | Cookie consent preferences | Essential | 1 year |
| _clck | Microsoft Clarity - persists user ID | Analytics | 1 year |
| _clsk | Microsoft Clarity - connects page views in a session | Analytics | 1 day |
| CLID | Microsoft Clarity - identifies first-time visitors | Analytics | 1 year |
| ANONCHK | Microsoft Clarity - indicates whether MUID is used | Analytics | 10 minutes |
| MR | Microsoft Clarity - indicates whether to refresh MUID | Analytics | 7 days |
| MUID | Microsoft Clarity - identifies unique browsers | Analytics | 1 year |
| SM | Microsoft Clarity - synchronizes MUID across domains | Analytics | Session |
| theme | Dark/light mode preference | Preference | 1 year |
| language | Language preference | Preference | 1 year |
| sidebar_state | Dashboard sidebar state | Preference | 30 days |
| code_theme | Code highlighting theme | Preference | 1 year |
6. Managing Cookies
6.1 Browser Settings
Most web browsers allow you to control cookies through their settings. You can set your browser to block or delete cookies, or to alert you when cookies are being sent. However, please note that blocking or deleting cookies may impact your user experience and some features of our Website may not function properly.
Here are links to cookie management instructions for popular browsers:
6.2 Opt-Out Options
Microsoft Clarity Opt-Out
You can opt out of Microsoft Clarity tracking by disabling analytics cookies through our cookie consent banner or your browser settings. Clarity also respects Do Not Track (DNT) browser signals. Learn more in the Clarity Cookie Documentation.
Do Not Track (DNT)
Some browsers have a "Do Not Track" feature that lets you tell websites you do not want your online activities tracked. While we respect DNT signals, not all tracking technologies currently respond to DNT signals.
Mobile Advertising
You can opt-out of personalized advertising on mobile devices through your device settings (iOS: Settings > Privacy > Advertising; Android: Settings > Google > Ads).
6.3 Impact of Disabling Cookies
If you choose to disable cookies, some features of our Website may not function properly. Specifically:
- You will not be able to stay logged in to your account
- Your preferences (theme, language, etc.) will not be saved
- Some interactive features may not work
- We will not be able to improve the Website based on usage data
Essential cookies are required for the Website to function and cannot be disabled without severely impacting your ability to use the Service.
8. Updates to This Cookie Policy
We may update this Cookie Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of any material changes by:
- Posting the updated Cookie Policy on this page with a new "Last updated" date
- Sending you an email notification to the address associated with your account
- Displaying a prominent notice on our Website
We encourage you to review this Cookie Policy periodically to stay informed about our use of cookies. Your continued use of the Website after any changes to this Cookie Policy constitutes your acceptance of the revised policy.
9. Contact Information
Questions About Cookies?
If you have any questions about our use of cookies or this Cookie Policy, please contact us:
Email:
[email protected]General Inquiries:
[email protected]Mailing Address:
RapierCraft Inc.
651 North Broad Street
Suite 201
Middletown, DE US
Support Phone:
+91 99974 72266
Related Policies
Privacy Policy
Learn how we collect, use, and protect your personal information.
Read Privacy Policy →Terms of Service
Review the terms and conditions for using our Service.
Read Terms of Service →