Website measurement notice
Website measurement & privacy
Last updated September 10, 2026. This notice describes the limited measurement currently enabled on this prototype. It is not a complete customer privacy policy, and this site does not currently accept orders, form submissions, accounts, or persistent customizer uploads.
What is measured
The site uses Vercel Web Analytics and Speed Insights to understand page demand, broad referral and device patterns, customizer use, and website performance. Measurement may include the page URL, referrer, broad location, browser or device category, and performance timings. Vercel describes Web Analytics as cookie-free and its visitor data as anonymized and aggregated.
Before measurement is sent, The Tumblery removes query strings and fragments from page URLs. Customizer measurement is limited to fixed event names for opening a design review and resetting a design.
What the customizer does not send
Artwork files are decoded only in the current browser tab. The measurement code does not receive artwork, file names, personalization text, colors, image dimensions, or customer identifiers. A design is not uploaded, stored, or attached to an order.
Current scope
The site does not currently run checkout, customer accounts, lead forms, advertising pixels, or persistent upload storage. A complete owner-approved privacy policy is required before those capabilities or additional personal-data collection can launch.
Read more about the processors currently used in Vercel's Web Analytics privacy documentation and Speed Insights privacy documentation.