Cookies

Cookies are small blocks of data placed on the user's electronic device when they visit a website. Cookies are used to store data about preferences and user sessions.

Pop-up banner

The information pop-up banner on cookies that is displayed when a user lands on the website generates a cookie when it is closed.

Name of cookie

Type of cookie

Lifetime

Use

cookie-close

Functional

100 days

This cookie saves the user's choice so that the banner they already accepted is not displayed again.

Language

The "lang" cookie saves the language chosen by the user

Name of cookie

Type of cookie

Lifetime

Use

lang

Functional

365 days

This cookie saves the language chosen by the user

Accessibility settings

Turning high-contrast mode on using the contrast icon generates a cookie.

Name of cookie

Type of cookie

Lifetime

Use

accessibility

Functional

100 days

This cookie saves the user's choice and turns high-contrast mode on or off.

Matomo

The statistics-tracking tool Matomo is implemented on your website and generates cookies.

It is configured to anonymise the IP addresses of visitors to the website. 

It is also configured to disable the cookies. However, it can still create essential non-analytics cookies.

Name of cookie

Type of cookie

Lifetime

Use

vdl_defaut

Functional

At the end of the session

-

mtm_consent_removed

Functional

13 months

Makes it possible to ignore Matomo audience measurement

Link

More information on matomo.org

Dynatrace

Dynatrace is a server-side software application that is designed to analyse performance and detect vulnerabilities.

Name of cookie

Type of cookie

Lifetime

Use

dtPC

 Functional

At the end of the session

Required to identify proper endpoints for beacon transmission; includes session ID for correlation.

rxvt

Functional

At the end of the session

Specifies the session timeout.

dtCookie

Functional

At the end of the session

Tracks a visit across multiple requests.

dtLatC

Functional

At the end of the session

Measures server latency for performance monitoring.

dtSa

Functional

At the end of the session

Serves as an intermediate storage for page-spanning actions.

rxVisitor

Functional

At the end of the session

Contains the visitor ID to correlate sessions.

F5

F5 is the reverse proxy of the City of Luxembourg website. 

F5 installs cookies that prevent attackers from changing the content of other cookies that have been defined. This makes the service more secure and protects your personal data.

Name of cookie

Type of cookie

Lifetime

Use

TS01e5a589

Functional

At the end of the session

Protects your session against hijacking.

 

Form server

The form-server.vdl.lu website uses the following cookies:

Name of cookie

Type of cookie

Lifetime

Use

JSESSIONID

Functional

At the end of the session

Used to ensure that the server continues monitoring the user's session

Dynatrace

See the table in the Dynatrace section.

F5

Name of cookie

Type of cookie

Lifetime

Use

TS017b811f

Functional

At the end of the session

Protects your session against hijacking.

f5avrbbbbbbbbbbbbbbbb

Functional

At the end of the session

Technical cookie for this service.

maps.vdl.lu

The maps.vdl.lu website uses the following cookies:

Name of cookie

Domain

Type of cookie

Lifetime

Use

TS

.maps.vdl.lu

Functional

Session

Security cookie used to validate cookies

Cookie_maps.vdl.lu

Maps.vdl.lu

Functional

Session

Ensures that web requests are always processed by the same server in our infrastructure for the entire duration of your session

vdl_default

3d.vdl.lu

Functional

Session

Ensures that web requests are always processed by the same server in our infrastructure for the entire duration of your session

JSESSIONID

3d.vdl.lu

Functional

Session

Used to ensure that the server continues monitoring the user's session

_pk_id

Maps.vdl.lu

Performance

1 year

Used to store some user information, such as their unique visitor ID

_pk_ref

Maps.vdl.lu

Performance

6 months

Used to store allocation data the referrer used initially to visit the website

_pk_ses, _pk_cvar, _pk_hsr

Maps.vdl.lu

Performance

30 minutes

Used to store data temporarily for the duration of the visit

_pk_testcookie

Maps.vdl.lu

Performance

Session

Used to check whether the visitor's browser supports cookies

mtm_consent

Maps.vdl.lu

Performance

Permanent

Used to remember that the user has consented to the use of cookies

dtLatC

.vdl.lu

Performance

Session

Manages the availability and performance of software applications, and the impact on user experience, through deep transaction tracing, synthetic monitoring, real user monitoring and network monitoring

dtPC

.vdl.lu

Performance

Session

  

dtCookie

.vdl.lu

  

Session

  

dtSa

.vdl.lu

Performance

Session

This cookie is used to save user action names across pages in order to be able to monitor performance across pages

rxVisitor

.vdl.lu

Functional

Session

Used to store an anonymous identifier for each user in order to correlate sessions on the global service

rxvt

.vdl.lu

Performance

Session

Used to store two timestamps in order to determine the duration and end of a session

citybiblio.lu;

The citybiblio.lu website uses the following cookies:

Name of cookie

Domain

Type of cookie

Lifetime

Use

CookieConsent

citybiblio.lu

Functional

1 year

Stores the user's permission to use cookies for the current domain

TS#

citybiblio.lu

Essential

Session

Used to ensure website security and fraud detection.
TS# piwik.vdl.lu Essential Session Used to ensure website security and fraud detection.
_pk_id# citybiblio.lu Analytics 1 year Collects statistics on user visits to the website, such as number of visits, average time spent on the site and which pages were viewed.
_pk_ses# citybiblio.lu Analytics 0 days Used by Piwik Analytics Platform to track visitor page requests during a session.
datastore citybiblio.lu Functional Persistant Used to store application preferences at the browser level. Not used for tracking.
PHPSESSID citybiblio.lu Functional Session Used for login with A-Z.lu

Other websites

onsstad.vdl.lu does not use cookies.

The cityapp does not use cookies.

Our websites also contain share buttons for social media platforms where the City has accounts, as well as videos posted on our YouTube channel. According to the information published by the social media platforms in question, these share buttons and videos may also install cookies. To learn more about how this works, please visit the websites of the social media platforms in question.

Cookies