Privacy Policy
Last updated: March 13, 2026
Overview
MahjongCompare ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website mahjongcompare.com.
Information We Collect
Automatically Collected Information
When you visit our website, we may automatically collect certain information, including:
- Device information (browser type, operating system)
- IP address and general location
- Pages visited and time spent on pages
- Referring website or search terms
- Click interactions with affiliate links (including IP address and referring page, used for fraud prevention and performance reporting)
Information You Provide
We may collect information you voluntarily provide, such as:
- Email address (if you subscribe to our newsletter)
- Contact information (if you reach out to us)
- Feedback or survey responses
Directory Listing Information
If you claim or submit a listing in our teacher, club, or venue directories, we collect:
- Name and professional credentials
- Email address (for claim verification and edit access)
- Phone number (if provided, displayed on your public profile)
- Location information (city, state)
- Photos you upload for your profile
- Business information (website, social media links, services offered)
Directory listing information you provide is displayed publicly on your profile page. You can update or request removal of your listing at any time by using your edit link or contacting us.
How We Use Your Information
We use the collected information for the following purposes:
- To operate and maintain our website
- To improve user experience and content
- To analyze website traffic and usage patterns
- To send newsletters and updates (with your consent)
- To respond to your inquiries
- To track affiliate link performance for our business
Cookies and Tracking Technologies
We use cookies and similar tracking technologies to enhance your experience.
- Essential cookies: Required for basic website functionality (always active)
- Analytics cookies: Help us understand how visitors use our site (Google Analytics, PostHog, Ahrefs)
- Session recording: Microsoft Clarity records anonymized session replays and heatmaps to help us improve usability
- Affiliate cookies: Track referrals to our partner retailers so we can earn commissions
For visitors in the EU/EEA: Analytics and session recording are only active after you accept cookies via our consent banner, in compliance with GDPR. No tracking is active until you make a choice.
For visitors outside the EU/EEA: Analytics are active by default to help us improve the site. You can opt out at any time by clearing your browser's site data for mahjongcompare.com. California residents: see the CCPA section below for your rights.
Third-Party Services
We work with third-party services that may collect information:
- Analytics: Google Analytics, PostHog, Ahrefs
- Session Recording: Microsoft Clarity (anonymized session replays and heatmaps)
- Error Monitoring: Sentry (captures error reports including device and browser information)
- Email: Beehiiv (newsletter), SendGrid (transactional emails such as claim confirmations and edit links)
- Mapping: Mapbox (interactive maps for club and venue directories)
- Advertising: Meta Pixel (Facebook/Instagram ad measurement and audience targeting)
- Affiliate Networks: Amazon Associates, Awin, CJ Affiliate, UpPromote
- Affiliate Data: Strackr (aggregates affiliate reporting)
- Hosting & Infrastructure: Render, Supabase, Cloudflare
These services have their own privacy policies. We encourage you to review them.
Affiliate Disclosure
MahjongCompare participates in affiliate programs. When you click on affiliate links and make purchases, we may earn a commission at no additional cost to you. See our full Affiliate Disclosure for more details.
Information Sharing
We do not sell your personal information to third parties. We may share information in the following circumstances:
- Service providers: Third-party services listed above that help us operate the Site
- Legal requirements: When required by law, regulation, or legal process
- Business transfers: In connection with a merger, acquisition, or sale of assets
- Protection: To protect our rights, privacy, safety, or property
Data Security
We implement reasonable security measures to protect your information, including TLS/SSL encryption for data in transit, access controls, and secure hosting infrastructure. However, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security of your data.
Data Retention
We retain your personal information only for as long as necessary to fulfill the purposes described in this policy. Specifically:
- Directory listings: Retained until you request removal or we remove the listing
- Newsletter subscriptions: Retained until you unsubscribe
- Analytics data: Retained according to each analytics provider's retention policies
- Contact inquiries: Retained for up to 2 years
When data is no longer needed, we delete or anonymize it in accordance with applicable law.
Your Rights
Depending on your location, you may have the right to:
- Access the personal information we hold about you
- Request correction of inaccurate information
- Request deletion of your information
- Opt out of marketing communications
- Object to certain processing of your data
European Privacy Rights (GDPR)
If you are located in the European Economic Area (EEA) or the United Kingdom, the General Data Protection Regulation (GDPR) provides you with additional rights:
- Legal Basis for Processing: We process analytics data based on your consent, which you provide through our cookie consent banner. Essential site functionality and error monitoring operate under our legitimate interest (GDPR Article 6(1)(f)).
- Right to Withdraw Consent: You may withdraw your consent at any time by clearing your browser's site data for mahjongcompare.com. The consent banner will reappear and no analytics will be active until you choose again.
- Right of Access: You may request a copy of the personal data we hold about you.
- Right to Rectification: You may request correction of inaccurate personal data.
- Right to Erasure: You may request deletion of your personal data, subject to certain legal exceptions.
- Right to Data Portability: You may request your data in a structured, commonly used format.
- Right to Object: You may object to processing based on legitimate interest.
To exercise any of these rights, contact us at hello@mahjongcompare.com. We will respond within 30 days as required by GDPR.
California Privacy Rights (CCPA)
If you are a California resident, the California Consumer Privacy Act (CCPA) provides you with additional rights regarding your personal information:
- Right to Know: You may request disclosure of the categories and specific pieces of personal information we have collected about you
- Right to Delete: You may request deletion of your personal information, subject to certain exceptions
- Right to Opt-Out of Sale: We do not sell your personal information. If this changes, we will provide a "Do Not Sell My Personal Information" link
- Right to Non-Discrimination: We will not discriminate against you for exercising your CCPA rights
To exercise your California privacy rights, contact us at hello@mahjongcompare.com. We will respond to verifiable consumer requests within 45 days.
Do Not Track Signals
Some browsers transmit "Do Not Track" signals. We currently do not respond to Do Not Track signals because there is no industry standard for compliance. We will update this policy if a standard is established.
Children's Privacy
Our website is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page and updating the "Last updated" date.
Contact Us
MahjongCompare is operated by SAP Thumbprint Holdings, LLC.
Mailing Address:
SAP Thumbprint Holdings, LLC
5540 Centerview Drive, Ste 204 PMB 40923
Raleigh, NC 27606
If you have questions about this Privacy Policy, please contact us at: hello@mahjongcompare.com