Privacy Policy

Effective Date: April 2026

This Privacy Policy explains the nature, scope, and purpose of the processing of personal data on my personal academic website.

1. Data Controller

The person responsible for data processing on this website within the meaning of the General Data Protection Regulation (GDPR) is:

Dr. Xiao-Xuan Liang
Institute of Biomedical Optics
University of Luebeck
Peter-Monnik-Weg 4
23562 Luebeck, Germany
Email: x.liang [at] uni-luebeck [dot] de

2. Hosting (GitHub Pages)

This website is hosted on GitHub Pages, a service provided by GitHub, Inc., 88 Colin P. Kelly Jr. Street, San Francisco, CA 94107, USA.

When you visit this website, your browser automatically sends information to GitHub’s servers. This information is temporarily stored in a so-called log file. The following information is recorded without your intervention and stored until it is automatically deleted:

  • IP address of the requesting computer,
  • Date and time of access,
  • Name and URL of the retrieved file,
  • Website from which access is made (referrer URL),
  • Browser used and, if applicable, the operating system of your computer.

The legal basis for this data processing is Art. 6 (1) lit. f GDPR (legitimate interest). GitHub’s legitimate interest follows from the data collection purposes listed above, in particular for ensuring a smooth connection and evaluating system security and stability.

For more information, please refer to the GitHub Privacy Statement.

3. Cookies and Local Storage

This website (based on the al-folio theme) does not use tracking cookies for marketing purposes. It may use local storage or strictly necessary cookies solely to remember your UI preferences (e.g., light/dark mode). You can disable cookies in your browser settings at any time, which will not affect the core readability of this site.

4. Third-Party Services and CDNs

To ensure that the content of this website is displayed correctly and in an appealing manner across all browsers, we use third-party Content Delivery Networks (CDNs) and services. When you access a page, your browser loads the required resources directly from these third-party servers, which means your IP address is transmitted to them.

  • Google Fonts & Material Icons: Provided by Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland.
  • MathJax: Used for rendering mathematical formulas.
  • Bootstrap, jQuery, and others: Served via CDNs like jsDelivr or Cloudflare to ensure fast loading times.

The use of these services is in the interest of a uniform and appealing presentation of our online presence. This represents a legitimate interest within the meaning of Art. 6 (1) lit. f GDPR.

My website contains links to external sites (e.g., Google Scholar, LinkedIn, ORCID). I have no influence on the content or privacy practices of these external sites. The respective provider or operator of those pages is always responsible for them.

6. Your Rights

Under the GDPR, you have the right to:

  • Request information about your personal data processed by me (Art. 15 GDPR).
  • Request the immediate correction of incorrect or incomplete personal data stored by me (Art. 16 GDPR).
  • Request the deletion of your personal data stored by me (Art. 17 GDPR).
  • Demand the restriction of the processing of your personal data (Art. 18 GDPR).
  • Object to the processing of your data (Art. 21 GDPR).
  • File a complaint with a supervisory authority (Art. 77 GDPR).