Cookie Policy

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Jan De Nul collects data to provide you a better browsing experience, to optimise our services and to offer you relevant products and/or services that connect to your interests. This data may come in the form of cookies or pixels. Below we will explain how these cookies work and how you can configure them.

What is a cookie?

Cookies are small text files that are saved on your computer through a website. Cookies typically contain information about your actions on the website: preferences you may have selected, pages you have visited ... Unless you have adjusted your browser settings so that it will refuse all cookies, our systems will issue cookies as soon as you visit our website.

  • A pixel on the other hand, also referred to as a ‘web beacon’ or ‘tracking pixel’, is a tiny graphic image, usually just a single pixel, embedded in a webpage. Subject to you consent, we may use pixels on certain webpages to collect information regarding your interactions with that webpage (e.g. to understand user behavior, track webpage activity or gather data to improve ad performance).

Why does Jan De Nul use cookies?

Jan De Nul uses cookies primarily to optimise your user experience and to improve the performance of our website. We also use cookies to tailor our website content to your personal needs and preferences.

In addition, we use cookies to map your browsing behaviour (e.g. how you found our website or your browsing time on our website). Statistical data allow us to make improvements to our website if necessary and to meet your needs and preferences and those of other website users. How did you find our website? How much time did you spend on our site?

How long are cookies stored in my browser?

  • Temporary cookies or session cookies are saved to your browser temporarily. This means that this type of cookies will be deleted once you exit your browser session.
  • Permanent cookies will remain stored on your computer or mobile device, even if you close your browser. Permanent cookies allow us to recognise you when you revisit our website in the future. Permanent cookies will remain stored on your device until they expire, until a new cookie is installed, or until you remove them via the settings of your browser or mobile device.​​

What cookies does Jan De Nul use?

The cookies on our website are categorised according to their use (functional cookies, performance cookies, advertising cookies, etc.). Generally speaking, we distinguish between two types of cookies:

  • First-party cookies are placed and used by Jan De Nul. They enable us to optimise the quality of our services based on your browsing behaviour on our websites.
  • Third-party cookies are created and used by third-party partners. These cookies provide you with a better browsing experience and change your experience based on your browsing behaviour on our website.

Functional cookies 

Functional cookies are essential to ensure that our website functions correctly. They also allow us to improve the performance of our website.

Cookie Name
Placed by
Description
Expiration time
cookie_consent Jan De Nul This cookie is used to track users’ consent to the use of cookies on our website. -
has_js Jan De Nul Used by Drupal (CMS) to check if the webbrowser supports Javascript.  -

Statistical cookies 

We use these cookies to collect information about the use of our website. They are used to record the performance and loading times of the website and specific pages. (Subject to user consent?)

Cookie Name
Placed by
Description
Expiration time
_ga Linkedin This cookie is installed by Google Analytics. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. The cookies store information anonymously and assign a randomly generated number to identify unique visitors. 2 years
_gid Google This cookie is installed by Google Analytics. The cookie is used to store information of how visitors use a website and helps in creating an analytics report of how the website is doing. The data collected including the number visitors, the source where they have come from, and the pages visted in an anonymous form. 1 day
_gac_UA-XXXYYYZZZ-1 Google Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out. 3 months
YSC Youtube This cookies is set by Youtube and is used to track the views of embedded videos.  
_gcl_au Google This cookie is used by Google Analytics to understand user interaction with the website. 2 months
_hjClosedSurveyInvites Hotjar Set when a user interacts with a Link Survey invitation modal.
Ensures the same invite does not reappear if it has already been shown.		 365 days
_hjCookieTest Hotjar Checks to see if the Hotjar Tracking Code can use cookies. Session length
_hjDonePolls Hotjar Set when a user completes an on-site Survey.
Ensures the same Survey does not reappear if it has already been filled in.		 365 days
_hjHasCachedUserAttributes Hotjar Enables Hotjar to know whether the data set in _hjUserAttributes Local Storage item is up to date or not. Session length
_hjLocalStorageTest Hotjar Checks if the Hotjar Tracking Code can use Local Storage. Session length
_hjMinimizedPolls Hotjar Set when a user minimizes an on-site Survey.
Ensures that the Survey stays minimized when the user navigates through your site.		 365 days
_hjSession_* Hotjar Holds current session data. Ensures subsequent requests in the session window are attributed to the same session.
The * in the cookie name is replaced with a unique session ID.		 30 minutes (extended on user activity)
_hjSessionStorageTest Hotjar Checks if the Hotjar Tracking Code can use Session Storage. Session length
_hjSessionUser_* Hotjar Set when a user first lands on a page. Persists the Hotjar User ID which is unique to that site. Hotjar does not track users across different sites. Ensures data from subsequent visits to the same site are attributed to the same user ID.
The * in the cookie name is replaced with a unique user ID.		 365 days
_hjTLDTest Hotjar Enables Hotjar to try to determine the most generic cookie path to use, instead of page hostname. Session length
_hjUserAttributesHash Hotjar Enables Hotjar to know when any User Attribute has changed and needs to be updated. 2 minutes (extended every 30 seconds)

Advertising cookies 

Cookies that make it possible to display more relevant advertisements.

Cookie Name
Placed by
Description
Expiration time
lang Linkedin This cookie is set by LinkedIn and used for language tracking. 1 year
UserMatchHistory Linkedin Linkedin - Used to track visitors on multiple websites, in order to present relevant Advertisements based on the visitor's preferences. 1 month
VISITOR_INFO1_LIVE Youtube This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. 5 months

Social cookies 

Cookies that ensure an optimal interaction between the website and the active social media plug-ins.

Cookie Name
Placed by
Description
Expiration time
AnalyticsSyncHistory Linkdedin This cookie is set by linkedIn. The purpose of the cookie is to enable LinkedIn functionalities on the page. -
bcookie Linkdedin This cookie is set by linkedIn. The purpose of the cookie is to enable LinkedIn functionalities on the page. 2 years


 

Changing your web browser settings

You can change your web browser settings to enable or disable cookies. Click on the link for your browser below to find more information on how to change your cookie settings.

Other useful sources

Use the links below to find out more about the use of cookies by advertisers:

How to contact us

If you have any questions on our use of cookies, you can contact Jan De Nul via the information below:

https://www.jandenul.com/contact

Changes to our policy

This cookie policy supersedes all previous versions and is valid from 10 February 2022. We reserve the right to make changes to and/or update to this policy.