Cookies use policy


Welcome to the website of the project Novel Approaches to Generating Data on hard-to-reach populations at risk of violation of their rights on program Local Development, Poverty Reduction and Enhanced Inclusion of Vulnerable Groups 2014 – 2021, called in short “Internet site”! This Internet site is available at from all over the world.  It is owned and operated by the National Statistical Institute (NSI), located at 1038 Sofia, 2, P. Volov.

It is important for the NSI that you are aware of how the website uses cookies and for what purpose they are stored on your computer, therefore it is necessary to carefully read the following policy for the use of cookies, bearing in mind that using this website You agree with them. If you do not agree with any of the terms, you must not use the Website.

The National Statistical Institute has the right to update, modify and supplement the current policy for the use of cookies at any time in the future when circumstances so require.

What are cookies?

Cookies are small text files that are stored on your computer or mobile device. The function of cookies is to distinguish you from other users of the same website or to store certain information related to your preferences. It is used by most sites and portals. They will facilitate your work with the NSI website.

An HTTP cookie, usually called just a “cookie,” is a packet of data sent from a web server to an Internet browser and then returned by the browser each time it accesses that server. The purpose of the cookies we use is to distinguish you from other users or to store information related to your preferences.

Each cookie is unique to your browser and contains anonymous data. The content includes the name of the domain it comes from, its “lifespan” and a value, usually under a randomly generated number.

Cookies may contain random information selected by the server and are used to maintain the status of HTTP transactions that are otherwise “stateless”.

Types of cookies

There are different types of cookies. Necessary (own) cookies (“first party cookies”), such as those set by the NSI website, which only it can read. However, in addition to them, the NSI website may use external services, which also create their own cookies, known as “third party cookies”.

In addition, the cookies are session cookies and persistent cookies, depending on how long they are stored on the device memory. Session cookies are temporary cookies that remain on the device you use to access the NSI website until the browser is closed. Persistent cookies remain on your device for a longer period or until they are deleted.

Every time you visit the NSI website, you will have the opportunity to accept or refuse the use of cookies.

Cookies can also be used to create anonymized statistics for the NSI website.

What cookies do we use?

The National Statistical Institute uses mainly “necessary” (own) cookies (first-party cookies). However, depending on the services provided by the site, you may need to accept and/or refuse the use of “third party cookies”.

The types of cookies used by the NSI are the following:

a) “cookies” necessary for the proper functioning of the NSI website;

b) “cookies” necessary to provide the Users of the NSI website with a better and easier way of use (better experience);

c) “cookies” related to the collection of statistical information for the use of the NSI website.

The cookies under item a) are necessary for the proper functioning of the NSI website and therefore do not require the consent of the Users. They mainly serve to ensure the proper operation of the sites and the services provided. Such are, for example, cookies related to user identification and authentication, internal page navigation and the use of their functions, which remember previous actions to allow the going back function, etc.

The cookies under item b) are necessary to provide the users of the NSI website with a better and easier way of use and/or to remember their preferences. Examples are cookies, which allow users to accept or decline the use of cookies, to remember preferences such as language and username for a certain period, the stage of completion of the questionnaire, etc.

The cookies under item c) are related to the collection of statistical information for the use of the NSI website, and mostly aim to improve the quality of the services provided by the NSI. This type of cookies helps the NSI to best estimate how users of the NSI website use it. It is important to know that the data that are analyzed are completely anonymized and there is no way the NSI can identify specific users as individuals. With the help of these cookies, the NSI can get an idea of ​​the number of visits, their duration, the point devices used, the browsers and IP addresses used (Internet Protocol) and others. In this way, the NSI has the opportunity to respond on time to possible technical problems and/or to improve the functionality of the NSI website, as well as to provide better, easier and more intuitive use of the website by the users.

The cookies we use are the following:

NameServicePurposeTypeTime limitDomain
„Cookies“, required for the proper functioning of the NSI website
cf_ob_infoCloudflareProtectionSession, First PartyEnd of
cf_use_obCloudflareProtectionSession, First PartyEnd of
BIGipServerPOOL_NSIFirewallProtectionSession, First PartyEnd of
TS*FirewallProtectionSession, First PartyEnd of
pll_languageSaves the selected languageInterfacePersistent, First Party1
wordpress_test_cookieCMSFunctioningSession, First PartyEnd of
wp_langCMSFunctioningSession, First PartyEnd of
cookie_notice_acceptedCMSSave selectionPersistent, First Party1
„Cookies“, needed to provide users of the NSI website with a better experience
„Cookies“, to the collection of statistical information on the use of the NSI website

Manage and delete cookies

We would like you to know that most of the cookies we use will improve the way you use the NSI website, and the other part is important for your security and the security of access to our services.

Depending on the browser you use, you may enable or deny the storage of cookies from all sources.

Most browsers are set to accept cookies by default. However, if you do not want cookies to be stored on your computer, you can restrict them by changing the settings of the browser used.

Different browsers provide different ways to disable cookies, which in most cases are in the “options” or “preferences” menu, specific information can be found in the help menu of the respective browser.

To disable analyzing cookies and stop Google Analytics from collecting information, it is necessary to download the add-on to disable Google Analytics. Visitors also have the opportunity to learn how to disable Google Analytics at

Users have the opportunity to delete all cookies stored on the device they use to access the NSI website. Depending on the browser you are using, this can be done as described in the pages below.

• Mozilla Firefox:

• Internet Explorer:

• Google Chrome:

• Safari:

• Microsoft EDGE:

More information on cookie management for different types of browsers Users can find it at Visitors should keep in mind that the restriction and deletion of cookies might affect the way the NSI website is used.

Third-party cookie management

The NSI website may contain links and/or buttons for tools or content of third parties, thus information about the Users of the NSI website and/or their behaviour may be automatically sent to these third parties. Third-party websites and websites have their own cookie policies and may use cookies, so users should familiarize themselves with their cookie policies to obtain more information. Visitors and Users of the NSI Website may use the websites of third parties at their own risk, and the NSI is not responsible for the practices ensuring the confidentiality of Users by these third parties.


In case you have additional questions about the current policy regarding cookies, please do not hesitate to contact us by phone at +359 2 9857 111 or by e-mail at [email protected].