Due to the implementation of the amendments to the “Law on Services of the Information Society” (LSSICE) established in Royal Decree 13/2012, it is now mandatory to obtain the User’s express consent for every web page that uses non-essential cookies before the User browses on them.  


Cookies and other similar technologies such as local shared objects, flash cookies or pixels, are tools used by web servers to store and recover information on visitors to the website and to ensure that the website itself functions correctly.

The use of these devices allows the server to recall certain items of information on the User, such as their display preferences for the web pages stored on that server, names and passwords, the products they are most interested in, etc.


According to the EU directive, analytics cookies and advertising and affiliation cookies require the User’s informed consent; technical cookies and cookies that are essential for the correct functioning of the website or the provision of services expressly requested by the user are exempt.


Cookies can be divided into five main groups:

  • Analytics cookies: used to collect information on website usage.
  • Social cookies: necessary for interaction with external social media networks.
  •  Affiliate cookies: allow the tracking of visits from other websites with which the website establishes an affiliation contract (affiliate companies).
  • Advertising and behavioural cookies: collect information on the user’s personal preferences and choices (retargeting).
  • Technical and functional cookies: essential for the use of the website and for the provision of the contracted service.


  • PHPSESSID: essential technical cookie that contains session ID information.  It is deleted when the browser is closed.
  • _lang: essential technical cookie that contains the session language. It is deleted when the browser is closed.
  • ac_cookies: essential technical cookie that contains the value of whether the installation of cookies has been accepted.  Expires 1 year after the last upgrade.
  • _ga: Google Analytics cookie that enables the unique visitor control function. This cookie is installed the first time that a User accesses the website using a browser. When the User returns to the website using the same browser, the cookie will consider them to be the same user. The website will only consider the visitor to be a different User if they change browser. Expires 2 years after the last upgrade. Please find further information on the use of cookies made by Google Analytics here.
  • _gat: This cookie is associated with Google Analytics. It is used to limit the request speed – the limitation on data collection on high traffic sites. Expires after 10 minutes.
  • _gid: This cookie is associated with Google Analytics. It is used to distinguish Users. Expires after 24 hours.


  1. Chrome
    1. Select the Tools icon. 
    2. Click on Settings.
    3. Click on Show Advanced Settings.
    4. In the “Privacy” section, click on Content Settings.
  • Delete cookies: Click on All Cookies and Site Data.
  • Do not allow cookies to be stored.
    1. Click Delete Browsing Data (empty the Cache).
    2. Close and restart the browser.
    3. For more information on how to delete cookies in Chrome click here.
  1. Internet Explorer Version 11
    1. Select Tools | Internet Options.
    2. Click on the General tab.
    3. In the “Browsing History” section, click Delete Browsing History on exit.
    4. Select Delete Files.
    5. Select Delete Cookies.
    6. Click Delete.
    7. Click OK.
    8. Close and restart the browser.
    9. For more information on how to delete cookies in Internet Explorer click here.
  2. Firefox Version 18
    1. Select Firefox | History | Clear recent history.
    2. Click on the downward arrow located next to ‘Details’.
    3. Select the following options: Cookies, Cache and Active logins.
    4. Click the “Time range to clear” drop-down box. Click Everything in the drop-down menu.
    5. Click Clear Now.
    6. Close and restart the browser.
    7. You can accept or reject cookies individually in Firefox Preferences, in the History section available in Tools > Options > Privacy.
    8. For more information on how to delete cookies in Mozilla Firefox click here.
  3. Safari Version 5.1
    1. Select the Safari / Edit icon | Restore Safari.
    2. Select the following options: Clear history, Delete all Website Data.
    3. Click on Reset.
    4. Close and restart the browser.
    5. For more information on how to delete cookies in Safari click here.
  4. Opera
    1. In Settings – Advanced – Cookies. The cookie options control the way in which Opera handles them and therefore your acceptance or rejection of them.
    2. For more information on how Opera handles cookies click here
  5. Other browsers
    Please consult the documentation of the browser installed on your device.