Privacy Policy:

This website can usually be used without manually entering personally identifiable information. However, some necessary connection data (such as IP-addresses) will be automatically captured, processed and stored. Unless you opt-out, we will also use some cookies for legitimate interests to operate this site.
The key exception is the disqus comment function detailed below in the blog, which usually requires a registration on the external, embedded web service “disqus”. The function will not be automatically loaded, but only if you click the “comments” link. If you declined the use of cookies, this will be deactivated.

Content Delivery Network:

Because of legtimate interests (Art. 6 1 GDPR) to ensure a reliable and secured (encrypted) service, we use the Content-Delivery-Network (CDN) Cloudflare. (Cloudflare Privacy Policy, privacy shield certificate). This includes the collection of the following data: IP-address, date and time of the access, URL, browser identficiation (including version, operating system and locale preferences), Referrer URL (die previously visited site).

This data is necessary for the reliable operation and the optimization of the site, and will be stored temporarily for statistical analysis. If there is suspected improper use, this data may be used for further investigation.

If improper use is detected, Cloudflare may also resort to a cookie-based validation (using a “CAPTCHA”), to ensure a human user. This is necessary data use for the secure operation of the service.

Use of cookies:

This website does not itself use personally identifiying cookies, but it uses external services that may do this. For the detailed privacy information, please check the linked information of the different services.

You can: allow cookiesrefuse cookies.

Google Analytics

This website employs the web analytics service Google Analytics because of legitimate interests (Art. 6 paragraph 1 GDPRO: analysis and optimization of the online service): Details on the data usage can be found in the Google privacy & terms, privacy shield certificate. If not already blocked by your browser, you can also opt out from analytics.
The anonymizeIp option is used to partially anonymize your IP address by truncation. We do not link the data via user ID or remarketing. After 14 months, the anonymized data will be automatically purged.

Google Adsense

This website employs Google AdSense to display non-personalized ads because of legitimate interests (Art. 6 paragraph 1 GDPRO: economic operation of the service): Details on the data usage can be found in the Google privacy & terms, privacy shield certificate.
We disable the personalization of ads for users in the EWR / in the EU.

Google Fonts

This website employs Google Fonts to serve type faces to the browser. According to the Google documentation this does not involve cookies or unnecessary personally identifiable information. Privacy shield certificate.

Amazon Europe affiliate program

This website employs the Amazon Europe affiliate system, because of legitimate interests (Art. 6 paragraph 1 GDPRO: economic operation of the service): Details on this can be found in the Amazon privacy information
This involves the use of cookies that allow tracking when you clicked on a product on this web page, so that if you buy the product a provision may be paid to us.
The results of the Amazon ads are based on precomputed key words our web site, and supposedly not personalized.

Disqus

This website uses Disqus as optional comment function in the blog. (Disqus privacy policy, privacy shield certificate)
The function will only be loaded if you click the “show comments” link. Disqus will be embedded in our web site, and allows the registration, or the login with existing accounts. If your register on the disqus web site, you enter a contract with Disqus, and that website is responsible for your data stored there.
If you disable cookies, this function will not be available because of technical reasons.