Effective Date: January 1, 2000
Last Updated:
This Cookie Policy transparently explains how Sundayou Custom Guqin ("we", "us", "our") uses cookies and similar technologies when you visit our website (www.sundayou.com), mobile apps, and related online services (collectively, "Services").
Cookies are small text files stored on your device when you visit a website. They help remember your actions and preferences (like login, language, font size) for a more personalized and efficient experience.
We may also use:
Web Beacons: Track page visits and email open rates.
Pixel Tags: Embedded in web pages/emails to measure campaign effectiveness.
Local Storage: Browser storage for larger data.
Session Storage: Stores data only during a browser session.
Critical for basic website functionality; cannot be disabled.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| sessionid | Sundayou | Maintains user session for shopping cart, login, etc. | Session |
| csrftoken | Sundayou | Prevents Cross-Site Request Forgery attacks. | 1 year |
| cookie_consent | Sundayou | Records your cookie preferences. | 1 year |
Help us understand visitor interaction to improve our site.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _ga | Google Analytics | Distinguishes unique users. | 2 years |
| _gid | Google Analytics | Distinguishes unique users (24h). | 24 hours |
| _gat | Google Analytics | Throttles request rate. | 1 minute |
| AMP_TOKEN | Google Analytics | Contains a token for client ID. | 30 sec to 1 year |
Enhance functionality and personalization.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| language | Sundayou | Remembers language preference. | 1 year |
| currency | Sundayou | Stores selected currency. | Session |
| recently_viewed | Sundayou | Records recently viewed custom guqin products. | 30 days |
Track visitors across websites for relevant advertising.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _fbp | Facebook ad delivery & conversion tracking. | 3 months | |
| fr | Facebook ad optimization. | 3 months | |
| IDE | Google (DoubleClick) | Google advertising services. | 1 year |
| NID | Contains a unique ID for Google services. | 6 months |
Feature: Exist only during a browser session.
Purpose: Temporary storage (cart, login).
Example: PHPSESSID, ASP.NET_SessionId.
Feature: Remain for a set period or until deleted.
Purpose: Remember preferences, analyze long-term behavior.
Example: _ga, language_preference.
Shopping Cart: Saves selected guqin products, custom options.
User Authentication: Maintains login status.
Form Data: Saves partially filled forms.
Personalization: Remembers layout, font size, theme.
Load Balancing: Distributes traffic.
Error Monitoring: Identifies & fixes issues.
Speed Optimization: Caches resources.
A/B Testing: Tests design impact.
Traffic Analysis: Popular pages, visitor regions.
User Behavior: Browsing paths, time on site.
Conversion Tracking: Browsing to purchase rate.
Device Info: Device & browser types.
Retargeting: Show ads to past visitors.
Interest Targeting: Show relevant custom guqin info.
Ad Performance: Measure ROI.
Cross-Device Tracking: Consistent ad experience.
Sharing: Share guqin products on social media.
Login Integration: Quick login via social accounts.
Content Embedding: Display social media content.
Social Analytics: Traffic from social media.
Google Analytics: Website analytics (Privacy Policy).
Google Ads: Advertising & retargeting (Manage via Ads Settings).
reCAPTCHA: Prevents spam.
Google Fonts: Web font service.
Facebook Pixel: Ad tracking & optimization.
Social Plugins: Share & like features.
Login Integration: Login via Facebook.
Custom Audiences: Ad targeting based on site visitors.
PayPal: Payment processing.
Stripe: Credit card payments.
Alipay: Payments in China.
WeChat Pay: Mobile payments.
FedEx: Shipment tracking.
DHL: International logistics.
UPS: Courier services.
EMS: China Express Mail.
Third-party providers have their own policies. We advise reviewing them.
A cookie banner appears on your first visit. You can:
Accept All: Consent to all cookies.
Customize Settings: Choose specific categories.
Essential Only: Allow only necessary cookies.
Learn More: View full policy.
Control most cookies via browser settings:
Click three-dot menu > Settings.
Privacy and security > Cookies and other site data.
Set preference.
Menu button > Options.
Privacy & Security.
Cookie and Site Data settings.
Safari menu > Preferences.
Privacy tab.
Manage Website Tracking & Cookies.
Three-dot menu > Settings.
Cookies and site permissions.
Manage cookies and site data.
Similar options in "Privacy" or "Site Data" settings on iOS/Android.
Install the Google Analytics Opt-out Browser Add-on.
Or reject Analytics cookies via our banner.
Delete stored cookies via browser settings (Clear Browsing Data).
Note: Deleting cookies may reset preferences, log you out, empty your cart, etc.
We use a layered consent mechanism:
Essential: Always on.
Performance: Optional.
Functional: Optional.
Marketing: Optional.
Stored in 'cookie_consent' (1 year).
Change anytime via "Cookie Settings" link in footer.
Via "Cookie Settings" link > Adjust toggles > Save.
For EU residents, we comply with the General Data Protection Regulation (consent-based, transparent, data minimization, user rights).
For California residents, we comply with the California Consumer Privacy Act (right to know, delete, opt-out, non-discrimination).
We comply with Cybersecurity Law, Personal Information Protection Law, E-Commerce Law.
We strive to comply with all applicable local data protection laws.
We implement appropriate measures: HTTPS encryption, access controls, regular audits, security updates.
Anonymization, aggregated data analysis, minimal retention, secure deletion.
Vendor vetting, contractual obligations, ongoing monitoring, opt-out options.
Not directed at children under 13 (or higher age as per jurisdiction).
Parents should monitor activity, use parental control software, educate children.
We will delete any inadvertently collected children's data.
We may update this policy due to technical, legal, business changes, or user feedback.
Major: 30-day email notice to registered users.
Minor: Posted on site without separate notice.
Legal: Effective immediately for compliance.
v1.0: (Jan 1, 2024) Initial version.
We may seek renewed consent after major changes.
Email: dpo@sundayou.com
Phone: +86-21-1234-5678 (ext. Data Protection)
Mail:
Data Protection Office
Sundayou Guqin Co., Ltd.
123 Guqin Art Center Avenue, Shanghai, China 200000
Email: bestcame@gmail.com
You have the right to lodge a complaint with your supervisory authority.
We currently do not respond to DNT signals pending a standard, but you can control tracking via our settings.
We respect GPC signals and will disable non-essential cookies if received.
We adhere to IAB Europe TCF, DAA, NAI standards.
We provide educational materials, FAQs, and interactive tools about cookies.
Manage your preferences:
Click here to adjust Cookie Settings
✅ Essential (Always On)
Basic site functions
Security
Load balancing
🔘 Performance
Site analytics
Error monitoring
A/B testing
🔘 Functional
Personalization
Language preference
Save shopping cart
🔘 Marketing
Ad targeting
Retargeting
Social media integration
Google services
Facebook services
Payment processors
Analytics tools
Save Settings | Accept All | Reject All Non-Essential
Confirmation
By using our site, you confirm:
You have read and understood this policy.
You consent to cookie use per your choices and this policy.
You understand how to manage cookie settings.
If you disagree, disable cookies via browser settings or stop using our site.
Last updated: . Please review periodically.
© 2000- Sundayou Guqin Co., Ltd. All rights reserved.