Cookie Statement

Cookie Statement – The Datacenter Group

This Cookie Statement applies to the website of The Datacenter Group Nederland Holding B.V.: (‘the Website’). In this Cookie Statement, we explain how we use cookies on the Website. We process personal and other data in accordance with laws and regulations, including the General Data Protection Regulation (GDPR). Please see our Privacy Statement for more information.


What are cookies?

Cookies are small, simple text files that a web server places and stores on the hard drive or in the memory of your computer or other electronic device when you visit a website. By placing a cookie, the web server can recognise your device and send the stored information back to the web server. The use of cookies is safe; a cookie cannot start programs or spread viruses.


In general, cookies have a limited validity term from the time they are placed on a device. Some cookies that we place are only valid for the duration of a session. This means that those cookies are automatically deleted when you close the web browser.


Which cookies are placed?

Functional (necessary) cookies

We use functional cookies that are necessary to display the Website and enable navigation. We must also place a functional cookie to remember your choice for accepting or rejecting our cookies. Our staff read these cookies on a need-to-know basis.


We process the following functional cookies:

ProviderCookiePurposeExpiry date
Visual Web Optimizer_vis_opt_testUsed to detect whether cookies are enabled in the browser100 days


Analytical cookies 

Analytical cookies record how visitors use our Website. This information gives us insight into the use of our Website and allows us to improve it. We use the Google Analytics service, which places analytical cookies of Google Inc. We use these web statistics to improve our services and more specifically our search results. Click here for more information about these cookies and their term of validity. Google also allows you to opt out of data collection in the context of Google Analytics. Click here to avail yourself of this option. Click here for more general information about how Google uses cookies.


We also use tools such as Hotjar’s analysis tool to know what visitors of our Website click on the most and to place polls and surveys on our Website. Hotjar collects, among other things, data on your device’s IP address (in anonymous or pseudonymous form), the type of device, browser information, the geographic location (only the country) and the preferred language. Click here for more information about the Hotjar cookies. You can opt out of Hotjar storing data on your use of our Website by following this opt-out link. The same goes for the analysis tool of Visual Website Optimizer (VWO), which we use to gain a better understanding of the use of our Website and to place polls and surveys on our Website. It collects the same type of data as Hotjar. Click here for more information about the VWO cookies. You can opt out of VWO storing data on your use of our Website by following this opt-out link.


We process the following analytical cookies:

ProviderCookiePurposeExpiry date
Google Analytics_ga


Used to generate statistical data on how a visitor uses the Website24 hours
Google Analytics_gatUsed to slow down the request rateEnd of browser session
Google Analytics_gidUsed to generate statistical data on how a visitor uses the WebsiteEnd of browser session
Google Analytics__utmaUsed to distinguish users and sessions2 years
Google Analytics__utmtUsed to slow down the request rate10 minutes
Google Analytics__utmbUsed to determine new sessions/visits30 minutes
Google Analytics__utmcUsed to determine new sessions/visitsEnd of browser session
Google Analytics__utmzUsed to store the document explaining the use of the Website6 months
Google Analytics__utmvUsed to store user-specific variable data2 years
Visual Web Optimizer_vis_opt_expUsed when a user has been excluded from a campaign100 days
Visual Web Optimizer_vis_opt_sUsed to distinguish between new and returning users100 days
Visual Web Optimizer_vwo_uuidUsed to distinguish unique visitors100 days
Visual Web Optimizer_vis_opt_outUsed to indicate that a user is not part of the campaign100 days
Hotjar_hjClosedSurveyUsed to ensure that the same visitors are not shown the survey mode again1 year
Hotjar_hjDonePollsUsed to ensure that the same visitors do not fill in the poll again1 year
Hotjar_hjMinimizedPollsUsed to ensure that the widgets stay minimised when the visitor navigates through the site1 year
Hotjar_hjDoneTestersWidgetsUsed to ensure that the test form does not re-appear if it has already been filled in1 year
Hotjar_hjIncludedInSampleUsed to let the provider of the cookie know whether the visitor is included in the sample that is used to generate funnels1 year


Marketing cookies 

We use marketing cookies to track visitors of our Website when they visit other websites. The purpose of these cookies is to show the visitor advertisements on various websites, tailored to the visitor’s preferences and interests. These are known as “third-party cookies”. The cookies listed below are managed by social networking service LinkedIn. LinkedIn may use these cookies and the information collected with them for its own purposes. In this context, please refer to LinkedIn’s privacy policy. The marketing cookies are placed and read by the relevant provider. We have limited knowledge of these cookies and have no control over them. As a result, we do not accept any responsibility or liability for these cookies or for how the provider of these cookies handles the information collected. We also use the Act-On Software, Inc. service to collect data on the behaviour of Website visitors. Please refer to the privacy policy of Act-On Software, Inc. for more information about this service.


We process the following marketing cookies: 

ProviderCookiePurposeExpiry date
LinkedInlidcUsed by LinkedIn for routing and to track the use of embedded services24 hours
LinkedInbcookieUsed by LinkedIn to place ad tags and to let the user share content on LinkedIn1 year
LinkedInbscookieUsed by LinkedIn to place ad tags and to let the user share content on LinkedIn1 year
LinkedInL1cUsed by LinkedIn to gain insight into ad tagsEnd of browser session
LinkedInBizoIDUsed by LinkedIn to gain insight into ad tags6 months
LinkedInBizoDataUsed by LinkedIn to gain insight into ad tags6 months
LinkedInBizoUserMatchHistoryUsed by LinkedIn to gain insight into ad tags6 months
LinkedInBizoNetworkPartnerIndexUsed by LinkedIn to gain insight into ad tags6 months
Act-On MarketingAct-On tracking beaconUsed to track visitors’ navigation behaviour and to subsequently link this to visitors who have identified themselves by filling in web formsUnlimited


Rejecting and deleting cookies

You can set up your browser so that no cookies are stored, so that you can accept or reject each cookie, or so that all cookies are deleted when you close your browser. A useful step-by-step plan for managing your cookies is available on the website of the Dutch Consumers’ Association.


Cookies are placed on every device that is used to visit websites. If you do not wish to receive any cookies at all, you must adjust the settings on all devices that you use. Please note: if you reject and/or delete cookies, this will also affect cookies that are absolutely necessary. This may mean that the Website will not work optimally or that you will no longer be able to use some functionalities.


Cookie Statement updates

We may change this Cookie Statement from time to time. We advise you to check this regularly. Last change: June 15th 2018.