Due to the entry into force of the relevant amendment to the "Law on Information Society Services" (LSSICE) established by Royal Decree 13/2012, it is mandatory to obtain the express consent of the user of all web pages that use cookies dispensable, before he browses them.


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 proper functioning of the site.

Through the use of these devices, the Web server is allowed to remember some data concerning the user, such as his or her preferences for viewing the pages of this server, name and password, products that interest him or her most, etc.


According to the EU directive, the cookies that require the user's informed consent are the analytical cookies and the advertising and affiliation cookies, with the exception of those of a technical nature 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: collect information about the use of the website.
  • Social Cookies: are those necessary for external social networks.
  • Affiliate Cookies: allow you to track visits from other websites, with which the website establishes an affiliation contract (affiliate companies).
  • Advertising and behavioral cookies: collect information about the user's personal preferences and choices (retargeting).
  • Technical and functional cookies: these are those strictly necessary for the use of the website and for the provision of the contracted service.


  • PHPSESSID: Technically and strictly necessary cookie containing the session identifier. It is deleted when you close your browser.
  • CONSENT: Technically and strictly necessary cookie containing the value of whether or not the installation of cookies has been accepted. Expires in 1 year from the last update.
  • NID: Google NID Cookie - a unique identifier used by Google applications to store information about your preferences. Expires every year.
  • _ga, _gac y _gid: By default, analytics.js uses a proprietary cookie called _ga to store the customer ID, but the name, domain and expiration time of the cookie can be customized. The analytics library.js also creates other cookies, such as _gid and _gac_. These cookies store other randomly generated identifiers and campaign information about the user.
  • 1P_JAR: Google Cookie. These cookies are used to collect website statistics and track conversion rates. Expires every month.
  • uTma: Google Analytics cookie that records the date of the first and last time the user visited the website. Expires 2 years after the last update.
  • uTmb: Google Analytics cookie that records the time of arrival at the website. Expires 30 minutes after the last update.
  • uTmc: Google Analytics cookie used for interoperability with the urchin tracking code.js. It is deleted when you close your browser.
  • utmt: Google Analytics cookie. This cookie is used to process the type of request requested by the user. Expires at the end of the session.
  • uTmv: Google Analytics cookie. This cookie is used to segment demographic data. Expires at the end of the session.
  • uTmz: Google Analytics cookie that stores the source of traffic or a campaign to explain how the user arrived at the website. Expires 6 months after the last update.




1. Select the Tools icon
2. Click Settings.
3. Click Show Advanced Options.
4. In the'Privacy' section, click Content Settings.
Delete cookies: Click All Cookies and Site Data...
Do not allow cookies to be stored.
5. Click Clear Browsing Data (Clear Cache).
6. Close and restart the browser.

For more information about Chrome click here:

Internet Explorer. Version 11

1. Select Tools | Internet Options.
2. Click 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.

For more information about Internet Explorer click here:

Firefox. Version 18

1. Select Firefox | History | Clear Recent History.
2. Next to "Details", click the down arrow.
3. Select the following check boxes: Cookies, Cache, Login active
4. Using the "Delete Time Interval" from the drop-down menu, select All.
5. Click Delete Now.
6. Close and restart the browser.

You can accept or decline cookies individually in the 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 | Restore Safari.
2. Select the following check boxes: Clear history, Delete all website data
3. Click Reset.
4. Close and restart the browser.

For more information about Safari click here:


Options - Advanced - Cookies.
The cookie options control the way Opera handles them and therefore their acceptance or rejection.

For more information about Opera click here:

Other browsers

Refer to the documentation for the browser you have installed.