Cookies are little files which are sent to and stored on your by the website you visit. Your browser sends these cookies and the information stored therein back to the website (First Party Cookies) or another website (Third Party Cookies) every time you revisit a previously visited website. Cookies are used to make websites user-friendly and more effective.
Cookies are typically divided into the following categories:
First-party cookies: first-party cookies are such cookies that are set by the website which is being visited by the user, i.e. cookies placed by LEDVANCE when you visit an LEDVANCE website.
Third-party cookies: third-party cookies are cookies which are placed by a websitte other than the visited website.
Session cookies: session cookies are only active during a browser session. They allow to link the actions of a user during a browser session. Session cookies expire when you close the browser or shortly thereafter.
Persistent cookies: persistent cookies have longer expiration dates which exceed the duration of a browser session. They are activated each time the user revisits the website that created the cookie. They remain on a user´s device for the period of time specified in the cookie. Typical expiration dates for persistent cookies can range from a couple of days to a couple of years.
On LEDVANCE websites, we employ cookies to generally offer you the best possible user experience, i.e. by remembering your visits to our websites as well as your site preferences and by letting you navigate efficiently between different website pages.
LEDVANCE uses the following categories of cookies for the following purposes:
Strictly necessary cookies: LEDVANCE serves cookies that are essential for running LEDVANCE websites and for making the sites work properly; without these cookies, affected features on LEDVANCE websites cannot be provided at all. Strictly necessary cookies are typically needed for features like access to secure areas and for shopping baskets.
Performance / Analytics: LEDVANCE collects information about how you use the website, e.g. which pages you visit most often and which errors you experience. This analytical profiling helps us to measure how effective the offered content is and to determine how the website performance could be improved.
|Cookie category?||What are they called?||How long are they active?||What do they do?|
Session end (30 min.)
|We use session cookies to ensure the correct operation of certain parts of our websites, i.e. to ensure that user interactions (like entered text) are preserved, when the visitor navigates between pages of the websites.|
|"CAKEPHP"||2 hrs||We use this cookies to ensure the correct operation of certain parts of our websites (web applications).|
|Browser session||Technical information for the SAP Based Applications. No personal data is stored here.|
|Browser session||Technical information for our loadbalancer.|
"no": 50 years
"yes": 16 months
|OptIn-Cookie, stores the choice of the visitor, if on the side of the customer the tracking OptIn is shown. Will also be used for a possible opt-out.|
|Performance / Analytics||"etcnt_[hash]"||28 days||We are using a webtracking tool to get insights of how our users are interacting with the websites. To be able to collect and analyze data it is necessary to save web tracking cookies. Therefore the information collected does not contain personal data and is stored within a cookie. Therefore it is not possible to draw inferences from the data collected to the individual person.|
|"_vm_u"||40 min||Saves the status of the UX Analytics logging.|
|"BT_ctst"||Browser session||Used only to detect wether the visitor's browser has cookies enabled or not.|
|"BT_sdc"||Browser session||Contains non user user specific data of the current visitor session (referrer, number of pages, number of seconds since session start).|
|"BT_pdc"||1 year||Contains non user user specific data of the visitor history (is customer, is newsletter recipient etc.).|
|"GS1_v"||1 year||The cookie contains the ID of the visitor and is used to identify a visitor during multiple sessions.|
|"isSdEnabled"||24 hrs||Detecting if the visitor's scroll depth is recorded.|
|"noWS_[hash]"||Browser session||Contains true or false and indicates that the website with the trackingcode included has no acitve tests or does not deliver tests for other reasons.|
|"_et_coid"||2 years||Cookie detection.|
|"et_id"||2 years||Visitor detection.|
|_ga||2 years||Registers a unique ID that is used to generate statistical information about visitors' website usage.|
|_gid||1 day||Registers a unique ID that is used to generate statistical information about visitors' website usage.|
|"GS3_v"||1 year||The cookie contains the ID of the visitor and is used to identify a visitor during multiple sessions.|
|"application"||15 min||Intermediate storage for 15 minutes of all parameters which are chosen by the user in the application FastCalc.|
|"illuminance"||15 min||Intermediate storage for 15 minutes of all parameters which are chosen by the user in the application FastCalc.|
|"maintenanceFactor"||15 min||Intermediate storage for 15 minutes of all parameters which are chosen by the user in the application FastCalc.|
This website utilizes services of etracker GmbH (www.etracker.com) to analyse website usage. Cookies are used to enable statistical analysis of the utilisation of this website by its users, as well as a display of usage-related content.
The data generated as a result are processed and saved solely in Germany by etracker on our behalf.
The processing of personal data is based on our legitimate interest to optimize our website in accordance with Article. 6 para. 1 lit. f of the EU General Data Protection Regulation (GDPR). Data that may allow the identification of individuals ,e.g. IP address, login or device IDs, is anonymized or pseudonymized as soon as possible. The data is not used for other purposes, combined with other data or shared with third parties.
You can object to the use of website tracking at any time via the controls provided under ‘Your Cookie Settings’.
1. Scope of the processing of personal data
On our website we use Google Analytics, a web analysis service of Google LLC, 1600 Amphiteatre Parkway, Mountain View, CA 94043, USA (hereinafter referred to as Google). Google Analytics analyses, among other things, the origin of visitors, their length of stay on individual pages and the use of search engines, thus allowing better monitoring of the success of advertising campaigns. Google places a cookie on your computer. Personal data may be stored and evaluated, in particular user activity (e.g. which pages have been visited and which elements have been clicked on), device and browser information (e.g. IP address and operating system), data about the advertisements displayed (e.g. which advertisements have been displayed and whether the user clicked on them) and also data from advertising partners (e.g. pseudonymised user IDs).
The information generated by the cookie about your use of this website will be transmitted to and stored by Google on servers in the United States. However, if IP anonymisation is activated on this website, your IP address will be truncated by Google in advance within member states of the European Union or in other signatory states to the Agreement on the European Economic Area. Only in exceptional cases will the full IP address be transmitted to a Google server in the USA where it will be shortened.
IP anonymization is active on this website. On behalf of the operator of this website, Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity and providing other services to website operators relating to website activity and internet usage. The IP address transmitted by your browser as part of Google Analytics is not combined with other data from Google.
2. Purpose of data processing
The processing of users' personal data enables us to analyse the browsing behaviour of our users. By evaluating the data collected, we can compile information about the use of the individual components of our website. This helps us to constantly improve our website and its user-friendliness.
3. Legal basis for the processing of personal data
Our legitimate interest lies in said purposes, hence the processing of the data happens in accordance with Art. 6 Para. 1 lit. f GDPR. By anonymizing the IP address, the user's interest in the protection of his personal data is sufficiently considered.
4. Duration of storage
5. Possibility of objection and removal
You can prevent the collection and processing of your personal data by Google by preventing the storage of third-party cookies on your computer, by using the "Do Not Track" function of a supporting browser, by deactivating the execution of script code in your browser or by installing a script blocker such as NoScript (www.noscript.net) or Ghostery (www.ghostery.com) in your browser.
You can also prevent the collection of data generated by the cookie and related to your use of the website (including your IP address). You can prevent the processing of this data by Google by downloading and installing the browser plug-in available under the following link:
In addition, Google has submitted to and is certified under the Privacy Shield Agreement concluded between the European Union and the United States of America. This means that Google is committed to complying with the standards and regulations of European data protection law. More information can be found in the following linked entry:
You can, of course, deactivate cookies in general within your browser. You can find the instructions to administer and delete cookies in the help settings of your browser.
Please note that certain parts and functionalities of LEDVANCE websites may not work properly if you deactivate cookies completely.