1. What is a Cookie?

Cookies or data storage and retrieval devices are files sent by a website to users’ browsers that are automatically stored on their devices so that the website is able to check users’ previous browsing habits and “recognize them”.


Cookies are able to remember other kinds of personal information, such as a user’s password so that it does not have to be entered each time a website is visited, or user preferences as regards the configuration of a website (language, screen resolution, amongst others).


Cookies are essential for the Internet to work properly, as well as having many advantages in the provision of interactive services as they make browsing and using the Website easier. Cookies cannot harm your devices, and while they are enabled they help identify and solve errors.


In short, a cookie is simply a set of data about browsing habits that is stored on a user’s device and that websites detect and recognize so that they are able to “remember” that user’s browsing habits.

Please note that not all cookies imply a processing of personal data and, in the event of processing of such data, we will carry the processing according to our General Privacy Policy .

More information about the cookies used on the website is provided below.

This website uses own and third party cookies, with the aim of improving the browsing experience of its users.

The following applications are used to obtain this information.

2. Strictly necessary cookies

These are technical cookies which are necessary for the website to run properly and cannot be disabled on our systems. Generally, these are only set in response to actions taken by you that amount to a request for services, such as setting your privacy preferences, logging in or completing forms.


Name Cookie Purpose Duration
_cfduid Technical Cookie (Poltank) Used by the content network, Cloudflare, to identify trusted web traffic. 29 days
cookielawinfo-checkbox-necessary Technical Cookie (Poltank) Determines whether the visitor has accepted the cookie consent box. 1 day
cookielawinfo-checkbox-non-necessary Technical Cookie (Poltank) Determines whether the visitor has accepted the cookie consent box. 1 day
PHPSESSID Technical Cookie (Poltank) Retains user statuses for all requests on the page Session
uncode_privacy[consent_types] Technical Cookie (Poltank) Determines whether the visitor has accepted the cookie consent box. This ensures that the cookie consent box will not appear again on re-entry to the website. 1 year

3. Analytical cookies

These cookies allow us to count visits and sources of traffic, so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and how visitors move through the site, thus ensuring better user service. If you do not allow these cookies, we will not know when you have visited our site.

Name Cookie Purpose Duration
_ga Analytics Cookie (Poltank) Registers a unique ID that is used to generate statistical data on how the visitor uses the website. 2 years
_gat Analytics Cookie (Poltank) Used by Google Analytics to throttle request rate 1 day
_gid Analytics Cookie (Poltank) Registers a unique ID that is used to generate statistical data on how the visitor uses the website. 1 day

4. Cookies settings

You can set up cookies through on this Policy, through your browser and also through the websites of those third parties that install cookies on your device.

4.1 Disabling Cookies through this Policy
In section 3 of this Policy you may give or revoke your consent regarding the type of cookies used.

4.2 Disabling Cookies through your web browser
All Internet browsers allow users to restrict the behavior of a cookie or even disable cookies by modifying the browser settings or options. The steps to do this are different for each browser. Specific instructions can be found in the help menu of your browser.

Depending on the browser used, the user can enable any of the following options to limit the scope of the cookies installed or the way they are executed:

–  The private browsing option so that browser history, website passwords, cookies and other information about the websites visited are not stored.

–  The “do not track” feature, whereby the browser requests that websites visited do not track your browsing habits, for example to display advertising that may be of interest to you on the websites you visit.

Browser Link
Microsoft Internet Explorer https://support.microsoft.com/en-gb/help/17442/windows-internet-explorer-delete-manage-cookies#
Apple Safari https://support.apple.com/es-es/guide/safari/sfri11471/mac
Google Chrome https://support.google.com/chrome/answer/95647?hl=en-GB
Mozilla Firefox https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop?redirectlocale=en-US&redirectslug=enable-and-disable-cookies-website-preferences

https://support.mozilla.org/es/kb/Borrar cookies

Please note that if you disable these aforementioned cookies we cannot know what you like or dislike about our pages and it will be difficult for us to improve your user experience on this Website.

5.   Further information and exercising your rights

Without prejudice to the offered possibilities of setting up cookies, as well as the different mechanisms for managing said cookies available in this Policy, if you have any questions regarding the processing of your personal data or you wish to exercise your rights, please check our General Privacy Policy  for further information.