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Cookie Policy

This Cookie Policy applies to Z.H INFORMATION SERVICES OÜ, accessible from https://www.zhis.eu and this blog.

What Are Cookies

As is common practice with almost all professional websites, this site uses cookies — small files downloaded to your computer — to improve your experience. This page describes what information they gather, how we use it, and why we sometimes need to store these cookies. We also explain how you can prevent cookies from being stored, though this may downgrade or break certain site functionality.

For general information on cookies, see the Wikipedia article on HTTP Cookies.

How We Use Cookies

We use cookies for a variety of reasons detailed below. In most cases there are no industry-standard options for disabling cookies without completely disabling the functionality and features they add to this site. It is recommended that you leave all cookies enabled if you are not sure whether you need them, in case they are used to provide a service that you use.

Disabling Cookies

You can prevent the setting of cookies by adjusting the settings on your browser (see your browser Help for how to do this). Be aware that disabling cookies will affect the functionality of this and many other websites that you visit. Disabling cookies will usually result in also disabling certain functionality and features of this site. Therefore it is recommended that you do not disable cookies.

You can learn how to manage cookies in your browser by following the Browser Cookies Guide.

The Cookies We Set

  • Forms related cookies
    When you submit data through a form such as those found on contact pages or comment forms, cookies may be set to remember your user details for future correspondence.

Third Party Cookies

In some special cases we also use cookies provided by trusted third parties. The following section details which third party cookies you might encounter through this site.

  • Analytics — Third party analytics are used to track and measure usage of this site so that we can continue to produce engaging content. These cookies may track things such as how long you spend on the site or pages you visit, which helps us understand how we can improve the site for you.
  • Feature testing — From time to time we test new features and make subtle changes to the way that the site is delivered. When we are still testing new features, these cookies may be used to ensure that you receive a consistent experience whilst on the site whilst ensuring we understand which optimisations our users appreciate the most.
  • Commerce statistics — As we sell products it is important for us to understand statistics about how many visitors to our site actually make a purchase. This kind of data allows us to accurately make business predictions that help us monitor advertising and product costs.

More Information

Hopefully that has clarified things for you. As was previously mentioned, if there is something that you are not sure whether you need or not, it is usually safer to leave cookies enabled in case they interact with one of the features you use on our site. This Cookies Policy was created with the help of the GDPR Cookies Policy Generator.

If you are still looking for more information, you can contact us:

  • Email: info@zhis.eu
  • Galen Zhao
  • me@zhenggangzhao.org
  • LinkedIn
  • GitHub

Engineering notes on full-stack software, IoT, infrastructure, and hardware — projects, experiments, and things worth keeping.

© 2026 Galen Zhao. Built with Jekyll.

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