Cookie Policy

NOTE: This Policy is an integral part of the Privacy Policy.

What are cookies?

Cookies are a tool used by web servers to store and retrieve information about their visitors. A cookie is a unique identifier in the form of a text file that some servers send to the user's device to record information about activities on those pages, enabling it to improve the site's quality and security. Each cookie has an expiration date, which can range from the duration of the session until a specified future date after which they will be trashed.

Use of cookies on this website

This website uses cookies to facilitate browsing, to ensure security, and to achieve greater efficiency and personalization of the services offered to users.

Types of cookies used on this website

The cookies used are classified as follows:

  1. Session cookies: these are temporary cookies that are stored on the user's device but are deleted when the session ends. The information collected is used to analyse traffic patterns on the web and to provide our web services, such as free email.
  2. Permanent cookies: these are stored on the user's device and allow browsing information to be recovered during future visits. These expire but some time after the session has ended. These cookies enable us to personalize your visit by retaining user preferences (e.g. country and language).

The following session and permanent cookies are used for the purposes detailed below:

Own cookies

Some are strictly necessary, for example, those required for proper browsing or for recognizing user preferences during a visit to the website, and first-party analytics cookies, which compile statistical data on user activity.


Cookie Type Expiration Ownership Purpose
JSESSIONID Technique Session Own This cookie is a Session identifier provided by the servlet container to differentiate sessions between users.
SERVER_ID Technique Session Own Load balancing cookie. It is used to track which web server the user is using.
LFR_SESSION_STATE Technique 30 minutes Own Session control cookie.
GUEST_LANGUAGE_ID Technique 1 year Own Stores the Id of the selected language.
COOKIES_GDPR Technique 5 years Own This cookie saves your settings regarding whether or not to enable third-party cookies.
COOKIE_SUPPORT Technique 1 year Own Determine if the browser supports the use of cookies.


Third-party cookies:

These are used for identification or for embedding external content (e.g. from Google).

Cookie Type Expiration Ownership Purpose
Google Analytics (_ga*) Analytics Up to 2 years Third party(Google Inc.) These Google Analytics cookies generate an anonymous user ID, which is used to count how many times a user visits the site. It also records when was the first and last time you visited the web.
Google Analytics (_gat) Analytics 1 minute Third party(Google Inc.) It is used to differentiate between the different trace objects created in the session. The cookie is created when the javascript library is loaded and there is no previous version of the _gat cookie. The cookie is updated every time you send the data to Google Analytics.
Google Analytics (_gid) Analytics 1 day Third party(Google Inc.) Google Analytics uses this cookie to store and update a unique value for each page visited. The cookie is updated every time you send the data to Google Analytics.
dtCookie Technique Session Third party(Dynatrace LLC.) Track a visit through multiple requests.
dtLaC Technique Session Third party(Dynatrace LLC.) Measure server latency to monitor performance.
dtPC Technique Session Third party(Dynatrace LLC.) Required to identify the endpoints for the transmission of information, includes the Session ID to save a correlation.
dtSa Technique Session Third party(Dynatrace LLC.) Buffer for actions that span multiple pages.
rxVisitor Technique Session Third party(Dynatrace LLC.) Stores the visitor's id to relate the sessions.
rxvt Technique Session Third party(Dynatrace LLC.) Stores information about Session expiration.
VISITOR_INFO1_LIVE Functional 240 days approximately Third party(Google Inc.) Cookie that tracks the videos visited that are embedded in the web.
YSC Functional Session Third party(Google Inc.) Cookie that measures the reproductions of videos made by the user and records the events of 'Like' or 'Share video'.
GPS Functional Session Third party(Google Inc.) Stores information about location.


Please note that configuring your browser to reject cookies will not prevent you from browsing the site. The only drawback will be that you won't benefit from the features that require cookies (i.e. those provided by session cookies). In any event, the user may delete cookies stored on his device at any time by following the procedure in the section entitled "How to manage cookies in computers".

How to manage cookies in computers

You can allow, block or delete the cookies installed on your computer by configuring the options of your Internet browser or changing them using the following link "configuration of cookies".

The following links explain how to do this:

If you wish to withdraw your consent related to this Cookies Policy at any time, you must modify the settings from the cookie settings panel, or delete the cookies stored through the settings and configuration of your Internet browser.

Revoke the consent given

We inform you that if you accept the use of cookies of this Portal through the banner of the home page, they will be loaded in the conditions contained in this Cookie Policy

You can revoke the consent given, as well as exercise the rights of access, rectification, deletion, opposition or any of the existing data protection rights, through a letter ref. "Protection of Data" and photocopy of the DNI to Fomento de Construccciones Y Contratas S.A., Dpto. Gestión de Clientes y Protección de Datos, Avda. del Camino de Santiago 40, 28050 de Madrid or submitting your request with the same requirements through

Fecha de creación: Septiembre 2013.
Versión: 02

Fecha de actualización: Octubre 2018.
Versión: 03

Fecha de actualización: Noviembre 2020.
Versión: 04