Due to the entry into force of the modification of the “Ley de Servicios de la Sociedad de la Información” (LSSICE) established by the Royal Decree 13/2012, it is mandatory to obtain the express consent of the User of all the web pages that use dispensable cookies, before the User browses them.

This website uses ga/*utm cookies owned by Google Analytics, persistent for 2 years, to enable the unique visitor tracking function in order to make it easier for you to browse the website. If you continue browsing we consider that you agree to their use. You may revoke your consent and obtain more information by consulting our Cookies Policy.


Cookies and other similar technologies such as local shared objects, flash cookies or pixels, are tools used by web servers to store and retrieve information about their visitors, as well as to provide a correct functioning of the site.

The use of these devices allows the web server to remember certain data concerning the user, such as your preferences for viewing the pages of this server, name and password, products you are most interested in, etc.


According to the EU directive, the cookies that require the user’s informed consent are analytical cookies and advertising and affiliation cookies, with the exception of technical cookies and those necessary for the operation of the website or the provision of services expressly requested by the user.


On the types of cookies, there are five main groups:

  • Analytical cookies: these collect information on how the website is used.
  • Social Cookies: these are those necessary for external social networks.
  • Affiliate cookies: allow tracking of visits from other websites, with which the website establishes an affiliation contract (affiliation companies).
  • Advertising and behavioural cookies: these collect information about the User’s preferences and personal choices (retargeting).
  • Technical and functional cookies: these are strictly necessary for the use of the website and for the provision of the contracted service.


  • PHPSESSID: Strictly necessary technical cookie containing the session identifier. It is deleted when the browser is closed.
  • _lang: Strictly necessary technical cookie containing the session language. It is deleted when the browser is closed.
  • ac_cookies: Technical and strictly necessary cookie that contains the value of whether the installation of cookies has been accepted. It expires 1 year after the last update.
  • _ga: Google Analytics Universal cookie that enables the unique visits control function. The first time a user enters the website through a browser this cookie will be installed. When this user enters the website again with the same browser, the password will consider that he/she is the same user. Only if the user changes browser, it will be considered a different user. It expires 2 years after the last update.
  • _gat: This cookie is associated with Google Analytics. It is used to limit the request rate – limiting data collection in high traffic locations. It expires after 10 minutes.
  • _gid: This cookie is associated with Google Analytics. It is used to distinguish users. It expires after 24 hours.




1. Select the Tools icon
2. Click on Settings.
3. Click on Show Advanced Options.
4. In the “Privacy” section click on “Content settings”.
   • Delete cookies: Click All cookies and site data …
   • Do not allow cookies to be stored.
5. Click on *Delete browsing data (clear cache memory).
6. Close and restart the browser.

For more information about Chrome click here:

Internet Explorer. Version 11

1. Select Tools | Internet Options.
2. click on the General tab.
3. In the “Browsing history” section, click on Delete browsing history when you exit.
4. Select Delete files.
5. Select Delete cookies.
6. Click on Delete.
7. Click on OK.
8. Close and restart the browser.

For more information about Explorer click here:

Firefox. Version 18

1. Select Firefox | History | Clear Recent History.
2. Next to “Details”, click on the down arrow.
3. Select the following checkboxes: cookies, Cache memory, Active logins
4. Using the “Time period to delete” drop-down menu, select All.
5. Click Cleanup now.
6. Close and restart the browser.

You can accept or reject cookies individually in Firefox Preferences, in the History section available under Tools> Options> Privacy.

For more information about Mozilla Firefox click here:

Safari Version 5.1

1. Select the Safari icon / Edit | Reset Safari.
2. Select the following checkboxes: Clear history, Delete all website data
3. Click Reset.
4. Close and restart the browser.

For more information on Safari click here:


Options – Advanced – Cookies.
The cookie settings control the way Opera handles cookies and therefore their acceptance or rejection.

For more information on Opera click here:

Other browsers

Consult the documentation of the browser you have installed.