Using this website
Privacy notice
Know what happens when you use the chart.
Understand browser features, website requests and email contact before you share information.
Page updated
Public operator identity, infrastructure logging and retention, and mailbox handling still need confirmation.
At a glance
- No account or microphone
- The current chart does not ask you to sign in or record your playing.
- Browser features
- Note controls, copying and printing work on your device.
- Website and email requests
- Page delivery and messages involve other systems.
What this site does not collect
The current application has no accounts, payments, contact form or file uploads. Reference tones are generated in your browser; the chart does not request microphone or camera access.
The application uses system fonts and includes no advertising scripts. The production website uses Google Analytics 4 to understand visits; see Third-party services and changes below. Hosting providers may also process request data.
Open the fingering chartHosting and technical information
The current site notice identifies Cloudflare Workers Static Assets for page delivery. Technical requests can include your IP address, requested URL, browser information and request timing.
Account-level logging, retention periods and processing locations have not been verified for this notice. No fixed retention or zero-logging promise is made.
Preferences on your device
Note controls
A selected note can appear in the page URL fragment and be restored when that link is opened or reloaded. Accidental spelling and paper size stay in page memory. The application does not save these choices in cookies, localStorage or sessionStorage.
Copying
Contact copies an outline to your clipboard only after you choose Copy. Copying does not send it to the website. If automatic copying fails, the outline can be selected and copied manually.
Printing
Your browser opens its print interface. The application does not receive your printer name, saved PDF or local file path. A cloud printing destination has its own practices.
Email enquiries
Opening an email link does not send a message. If you send one, your address, message and attachments pass through the email systems involved.
Include only information needed for the question. Remove unrelated names, account details and sensitive content from screenshots. The mailbox provider and handling or deletion schedule have not been confirmed; automatic deletion is not promised.
Read Contact before emailingThird-party services and changes
Google Analytics 4
The production website at happyclarinet.com uses Google Analytics 4, provided by Google, to measure page visits and engagement. The Google tag may use analytics cookies and send page paths, referral information, browser and device information, and usage events to Google. We use these reports to understand how visitors find and use the reference.
Page-view reporting removes URL query strings and fragments. Changing the selected chart note does not create another page view. Local development and provider preview domains do not load the analytics tag. Google Signals and advertising personalization signals are disabled; no advertising scripts are installed.
The application does not send microphone audio, clipboard contents or email message bodies to Analytics. Analytics cookies are separate from the chart controls, which remain in page memory or the URL fragment. Google processes analytics data under its own privacy practices.
External sources and future changes
External source links take you to another website, whose privacy practices apply there. The source charts are linked, not embedded as third-party widgets.
Adding accounts, uploads, newsletters, payments or microphone features would require updating this notice to match the new behavior.
See the reference sourcesContact
For a privacy question, describe the page or feature involved and the information your question concerns. Do not include unrelated sensitive details.
Email: hello@yangweiwei.dev
Ask a privacy questionThere is no automated privacy-request portal. This notice does not certify legal compliance.