Privacy Policy

Deutsche Version / German version

As this web­site is host­ed in Ger­many, the Ger­man ver­sion of the pri­va­cy pol­i­cy is legal­ly bind­ing. The fol­low­ing, Eng­lish, pre-GDPR/DS­G­VO pri­va­cy pol­i­cy is on­ly pro­vid­ed for ref­er­ence. I will try to up­date it soon.

Da­ta Pro­tec­tion

The op­er­a­tors of this web­site take the pro­tec­tion of your per­son­al da­ta very se­ri­ous­ly. We treat your per­son­al da­ta con­fi­den­tial­ly and in ac­cor­dance with the pro­vi­sions of Ger­man da­ta pri­va­cy laws and this pri­va­cy pol­i­cy.

The use of our web­site is usu­al­ly pos­si­ble with­out pro­vid­ing per­son­al Da­ta. In cas­es where per­son­al da­ta (e.g., names, ad­dress­es, and email ad­dress­es) is stored, it is done, if pos­si­ble, on a vol­un­tary ba­sis. Your da­ta is not passed on to any third par­ties with­out your ex­press per­mis­sion.

We point out that com­mu­ni­ca­tion over the In­ter­net (e.g., by email) can have se­cu­ri­ty vul­ner­a­bil­i­ties. Com­plete pro­tec­tion from ac­cess by third par­ties is not pos­si­ble.


Parts of this web­site use cook­ies. Cook­ies do not cause dam­age to your com­put­er and con­tain no virus­es. Cook­ies are used to make our of­fer­ing more us­er friend­ly, ef­fi­cient, and safe. Cook­ies are small text files cre­at­ed and stored on your com­put­er by your brows­er.

Most of the cook­ies used by us are so-called “ses­sion cook­ies”. These are delet­ed af­ter you close the brows­er. Oth­er cook­ies re­main on your com­put­er un­til you delete them and per­mit its recog­ni­tion on your next vis­it.

You can pre­vent stor­age of cook­ies by choos­ing a “dis­able cook­ies” op­tion in your brows­er set­tings. But this can lim­it the func­tion­al­i­ty of our In­ter­net of­fers as a re­sult.

Serv­er Log Files

The provider of these pages au­to­mat­i­cal­ly stores da­ta that is au­to­mat­i­cal­ly sent by your brows­er in serv­er log files. These are:

  • Brows­er type and ver­sion
  • Op­er­at­ing sys­tem ver­sion
  • Re­fer­rer URL
  • Host­name of the ma­chine send the re­quest
  • Time at which the re­quest was sent

This in­for­ma­tion can not be as­so­ci­at­ed with any spe­cif­ic per­son. Ag­gre­ga­tion of this da­ta with oth­er sources is not per­formed. We re­serve the right to check this da­ta to pro­vide con­crete ev­i­dence should any il­le­gal use be­come known to us.

Con­tent De­liv­ery Net­works

This web­site us­es so-called “con­tent de­liv­ery net­works” to quick­ly and ef­fi­cient­ly pro­vide JavaScript li­braries and fonts. In­te­gra­tion takes place via re­quests that are sent to ex­ter­nal servers, where it can be as­sumed that these re­quests are stored by the third-par­ty ser­vice providers. The ser­vices, li­braries, and fonts, in ad­di­tion to links to their pri­va­cy poli­cies are list­ed be­low:


This web­site us­es the open source an­a­lyt­ics ser­vice Mato­mo (for­mer­ly Pi­wik). Mato­mo us­es cook­ies. These are small text files that are stored on your com­put­er and fa­cil­i­tate anal­y­sis of this web­sites us­age. To do so, the in­for­ma­tion gen­er­at­ed us­ing the cook­ie is stored on our serv­er. Your IP ad­dress is anonymized be­fore be­ing stored.

The in­for­ma­tion about the web­site us­age gen­er­at­ed us­ing the cook­ie are not passed on to any third par­ty. You can pre­vent the stor­age of cook­ies in your brows­er’s set­tings; how­ev­er we point out that you may not be able to use all func­tion­al­i­ty of this web­site in its en­tire­ty.

If you do not agree to the stor­age and use of your da­ta, you can de­ac­ti­vate it here. In this case, an opt-out cook­ie is set which pre­vents Mato­mo from stor­ing us­age da­ta. If you delete your cook­ies, this cook­ie will be delet­ed as well and the opt-out will have to be re­ac­ti­vat­ed when you vis­it our web­site again.

Ad­di­tion­aly, we re­spect the Do-Not-Track set­ting of your brows­er.

SSL En­cryp­tion

This web­site us­es SSL en­cryp­tion for rea­sons of se­cu­ri­ty and da­ta pro­tec­tion con­cern­ing, for ex­am­ple, re­quests that you send to us. You can iden­ti­fy an en­crypt­ed con­nec­tion us­ing the ad­dress bar of your brows­er which changes from “http://” to “https://” and a lock sym­bol dis­played next to it.

When en­cryp­tion is ac­tive, da­ta you send to us can not be ac­cessed by a third par­ty.

Right to Dis­clo­sure, Dele­tion, and Block­ing

Ac­cord­ing to the Ger­man Fed­er­al Da­ta Pro­tec­tion Act, you have a right to free-of-charge in­for­ma­tion about your stored da­ta, and pos­si­bly en­ti­tle­ment to cor­rec­tion, block­ing or dele­tion of such da­ta. In­quiries can be di­rect­ed to the ad­dress giv­en in the im­print.