What is a cookie?

It is a file that is downloaded to your computer or other device when you access certain web pages that collect information about your browsing on that website.
In some cases, cookies are necessary to facilitate navigation and allow storing and retrieving information about the browsing habits of a user or their equipment, among other things and, depending on the information they contain and the way you use your computer, they can be used to recognize the user.

Identification of cookies used

Following the guidelines established by the Spanish Data Protection Agency, cookies are classified as follows:
  • Own Cookies: These are those that are sent to the user’s terminal equipment from a computer or domain managed by the editor itself and from which the service requested by the user is provided.
  • Third-party cookies: These are those that are sent to the user’s terminal equipment from a computer or domain that is not managed by the editor, but by another entity that processes the data obtained through the cookies
  • Session Cookies: They collect and store data while the user accesses a web page.
  • Persistent Cookies: They are those that have an expiration period of a maximum of 2 years from the date of creation, which means that during that time the data will continue to be stored in the terminal, being able to be accessed and treated.
  • Technical Cookies: Allow the user to navigate through a website, platform or application and the use of the different options or services that exist in it.
  • Personalization Cookies: These allow the user to access the service with some general characteristics predefined according to a series of criteria in the user’s terminal such as, for example, the language, the type of browser through which the user accesses the service, the regional configuration from where the user accesses the service, etc.
  • Analysis cookies: These cookies allow the party responsible for them to monitor and analyze the behavior of the users of the websites to which they are linked. The information collected through this type of cookies is used to measure the activity of the websites, application or platform and for the elaboration of browsing profiles of the users of such sites, applications and platforms, to introduce improvements based on the analysis of the usage data of the users of the service.
  •  Advertising Cookies: These allow the management, in the most effective way possible, of the advertising spaces that, where appropriate, the publisher has included on a website, application or platform from which it provides the requested service based on criteria such as the edited content or the frequency at which the ads are displayed.
  •  Behavioral advertising cookies: They allow the management, in the most effective way possible, of the advertising spaces that, where appropriate, the publisher has included on a web page, application or platform from which it provides the requested service. These cookies store information on user behavior obtained through the continuous observation of their browsing habits, which allows the development of a specific profile to display advertising based on the same.


The following table shows the own and third party cookies of the website and the purpose for which each one is used.

Technical Cookie
Permanent Temporary
Cookies loaded by Google services.Google services.
Analytics Cookies
Third-party (Google Analytics)
2 years
They generate a unique user unique user identifier, which is the one used to count how many times how many times a user visits the site, as well as the dates of the dates of visit. the user’s session, in order to collect the approximate geographic location approximate geographic location of the computer accessing the Site for statistical statistical purposes.
Cookies associated with Google Analytics, allow tracking of the Page using the tools of the services provided by Google to obtain information on user access to websites Google, Inc. a Delaware company whose principal office is at 1600 Amphitheatre Parkway, Mountain View (California), CA 94043, United States. Some of the data stored for further analysis are: the number of times the user has visited the website, dates of the user’s first and last visit, duration of visits, page from which the user has accessed the website, the search engine the user has used to reach the website or link the user has selected, location in the world from which the user accesses the website, etc. The configuration of these cookies is predetermined by the service offered by Google, which is why we suggest that you consult the Google Analytics privacy page, for more information on the cookies it uses and how to disable them (on the understanding that we are not responsible for the content or accuracy of third-party websites).

How do I change my cookie settings?

You can review your cookie settings through the settings banner .You can also allow, block or delete cookies installed on your computer by configuring the options of the browser installed on your computer. Please read carefully the help section of your browser to learn more about how to activate the “private mode” or unblock certain cookies.
ZFS wishes to point out that the variation of the cookies that appear on this website may not be related to the management and maintenance of the same, for which reason periodic revisions are carried out to adapt its cookie policy.
ZFS assumes no responsibility for legal or technical problems caused by the USER’s failure to comply with the recommendations included. This communication is made for the knowledge and use of the users; therefore, it should not be used for any other purpose.
ZFS is not responsible for the content and veracity of the privacy policies of third parties included in this cookie policy.
If you have any doubts about this cookie policy, you can contact us at


Updates and changes to the Cookies Policy

ZFS may modify this Cookies Policy according to legislative or regulatory requirements, or in order to adapt said policy to the instructions issued by the Spanish Data Protection Agency, for which reason Users are advised to visit it periodically.