Privacy Policy

Trompa Prosthetics (URL: https://www.trompaprosthetics.com, hereinafter referred to as “the Website”, “we”, “us”, or “our”) highly values user privacy and the protection of personal information. While using the Website, your relevant information may be collected and used. This Privacy Policy aims to explain how we collect, use, store, share, and transfer such information when you visit the Website.

Last Updated

This policy was last updated on: July 5, 2026

I. Collection and Use of Personal Information During Visits

When you visit the Website, our analytics and operational services will collect traffic data, including but not limited to:

  • Network identity identifiers (Browser User Agent, IP address)
  • Device information
  • Browsing activities (interaction methods, browsing patterns and duration, performance metrics, and network loading conditions).

While visiting, built-in third-party services on the Website may acquire your relevant information through various channels, including but not limited to:

  • Racknerd Cloud (racknerd.com): Collects your visit data to provide core website hosting services.
  • Quic (quic.cloud): Collects your visit data to provide content delivery network (CDN) and website acceleration.
  • CloudFlare (cloudflare.com): Collects your visit data to
  • Google Analytics (analytics.google.com): Collects your visit data and interaction processes for website maintenance and analytics.
  • PayPal (paypal.com): Collects transactional data, billing information, IP addresses, and device identifiers necessary to process secure payments, prevent fraud, and verify compliance.

The Website utilizes your personal information solely for the following purposes:

  • Formulating article topics and optimizing website content.
  • Identifying malicious traffic to maintain website security.
  • Investigating cyberattacks to maintain website security.
  • Monitoring website traffic to optimize web pages.
  • Monitoring website loading conditions to optimize performance.
  • Optimizing website visibility and presentation in search engine results.

Note: Third-party service providers may use your data for other purposes. For detailed information, please refer to the respective privacy policies provided by these third-party services.

You should be aware that when you visit the Website, third-party services may collect data including but not limited to your IP address, country, province, city, internet service provider (ISP), operating system, and browser to mitigate cyberattacks, utilize different CDN nodes for acceleration, or fulfill other technical requirements.

II. Collection and Use of Personal Information During Commenting

The Website utilizes an anonymous commenting system that does not require user registration. You may voluntarily fill out either authentic or pseudonymous information as your public profile for comments. We encourage you to use nicknames that cannot be easily identified by malicious actors. However, we recommend providing a valid email address so you can receive notifications when your comment gets a reply (your email address will never be publicly disclosed).

When you leave a comment, additional personal information will be collected.

The built-in third-party service on the Website may acquire your relevant information through the following channel:

  • Gravatar (https://gravatar.com): Collects the email address you provide to retrieve and display your profile avatar.

The Website collects and uses this information solely for the following purposes:

  • Recording the email address you fill in when commenting, which is used to notify you via email when a reply is posted (this email will not be made public).
  • Recording the website URL you fill in when commenting, allowing other users to visit your website by clicking your avatar (this URL will be publicly visible).
  • Recording your IP address, which serves as a metric for anti-spam filtering and user verification (this IP will not be made public).
  • Recording your IP address and browser User Agent (UA) during your visit to identify and log activities for risk prevention and defense against malicious access (no information of legitimate/normal visitors will be publicly disclosed).

III. Use of Cookies and LocalStorage

To implement features such as account-free commenting, dark/light mode toggling, and Baidu Tongji analytics, the Website stores certain data locally within your browser. You can clear all Cookies and LocalStorage saved in your browser at any time without affecting your normal browsing experience.

The following operations on the Website will actively store data on your computer:

Built-in Services

  • Commenting system
  • Shopping cart state persistence

Third-Party Services

  • CloudFlare R2 (cloudflare.com)
  • Google Analytics (google.com)
  • PayPal (paypal.com) — Essential for initializing the payment gateway, tracking checkout states, and executing fraud prevention telemetry.

For more information, please refer to official documentation on How to clear, enable, and manage cookies in Google Chrome.

IV. Sharing and Transfer of Personal Information

  • The Website will not sell, rent, or lease your private information to any external company, organization, or individual.
  • The Website will not transfer your personal information to any external company, organization, or individual, except as strictly necessary to fulfill transactions (e.g., securely transmitting transaction values and billing metadata to PayPal to complete your order checkout).
  • For detailed data sharing and transfer policies of external payment processors and analytics networks, please refer directly to their respective privacy agreements (e.g., PayPal Privacy Statement).

V. Supplementary Agreement

When malicious access, unauthorized requests, cyberattacks, or spam comments are detected, the Website may temporarily add your IP address and visit logs to a blacklist for a short duration to prevent further security escalations. Access from blacklisted IPs will be restricted during this period.