Cookie Policy

When you use any of our services on trivago, our mobile sites or mobile applications, we may collect information using cookies. This information is used to provide you with a more personalised service and so we can continuously improve our products.

We never sell the information we collect using cookies, nor do we disclose the information to third parties

1 - What are cookies?

Cookies are small files of numbers and letters that are stored in a user's browser when they visit a website. When a user returns to the website, their browser sends these files back to the website, allowing personalised content to be shown on the users' screen.

2 - How does trivago use cookies?

We use session cookies for the duration of your visit and persistent cookies for repeat visits to fulfill two main functions:

2.1 - Providing you with a personalised experience

These essential cookies allow us to distinguish you from other users on our website and allow you interact with several features on our website. For example, the following features rely on cookies:

Without cookies, these features and many others would not function.

2.2 - Use for analytical purposes

Analytic cookies help us improve our website by anonymously tracking which links and features are used most frequently. This information is used to create anonymous and aggregated statistics which we use to identify problematic and successful areas of our website. These cookies play an important role in continually providing you with an optimised experience on our website.

3 - How do I manage my cookie preferences?

Should you decide to prevent cookies from being stored in your browser, please note that you may not be able to use some of the key features on our website. However, you will still be able to make basic hotel searches.

If you would like to monitor or prevent cookies from being set in your browser, you can modify your browser settings to receive notifications whenever cookies are being used or to completely block the storage of cookies. You may also delete cookies that are already stored in your browser. Where to find these settings depends on your browser. Using your browser's "Help" section, you will be able to locate these settings.

4 - Consent to the use of cookies:

If cookies are necessary for the use of the trivago webpage (functionality), those session cookies do not require your prior consent. Those session cookies will expire after you have left the homepage. Persistent cookies and third-party cookies may require your prior consent to track your choices you made on the website and your preferences. Your consent is declared through the opt-in function on our website.

5 - More information about cookies

5.1 - Session cookies

Session cookies are temporary cookies that are stored in the user's browser until they close their browser window - at which point the session cookies are cleared.

5.2 - Persistent cookies

Persistent cookies are used for repeat visitors and are kept in the user's browser for a set period of time (usually a year or longer). These cookies are not cleared when the browser is closed. This type of cookie is used to recall user preferences so that every time a site is visited, the user's preferred settings are automatically provided.

5.3 - First party cookies

A type of cookie that is set by the site the user is visiting and can only be read by that site.

5.4 - Third party cookies

Third party cookies are set by an organisation that does not own the site that the user is visiting. These are normally cookies set by specialist marketing or analytics organisations.

6 - Which third party cookies does trivago use?

We may use the following third party cookies:

6.1 - Google

We use various products and features provided by Google Inc. (1600 Amphitheatre Parkway, Mountain View, CA 94043, USA; "Google").

6.2 - Facebook

We also use retargeting tags and Custom Audience provided by the company Facebook Inc. (1601 S. California Avenue, Palo Alto, CA 94304 USA, "Facebook").

6.3 - BlueKai

We also use technologies provided by BlueKai, which is part of the Oracle Cooperation (500 Oracle Parkway, Redwood Shores, CA 94065). BlueKai creates profiles through the use of cookies, cross-device/cross-context technology (such as statistical IDs) or other unique identifiers. This technology is designed to connect a user's Interest Data across the various devices or contexts where the user is consuming digital information and content. This allows us to tailor our marketing to better suit your needs and only display ads that are relevant to you.

BlueKai maintains a consumer tool called the BlueKai Registry, which allows you to view all third-party Interest Data in the Oracle Audience Data Marketplace that is applicable to the computer that views the registry.

You can opt out directly from third-party interest based advertising by downloading Oracle's BlueKai opt-out cookie.

For further Information about BlueKai visit:

https://www.oracle.com/legal/privacy/marketing-cloud-data-cloud-privacy-policy.html

6.4 - Criteo

We use technologies provided by Criteo SA (32 Rue Blanche, 75009 Paris, France, "Criteo"). Criteo collects and uses technical data relating to your browsing navigation to display personalized advertisements. The browser cookies track the products viewed by the visitor and pages visited of the partner for whom Criteo is delivering ads. Pixel tags are used by Criteo to transfer browsing data from visitors of our partner's websites to Criteo's servers. Criteo does not use or store your IP address for targeting purposes or hardware-based identifiers such as UDID or Mac Address.

For further information visit Criteos's privacy policy, where you can directly opt out.

6.5 - AppNexus

We may use AppNexus, a service provided by AppNexus Inc. (28 W 23rd Street, 4th floor, New York, New York - 10010, USA). AppNexus uses cookies, beacons, tags, mobile SDKs, and some non-cookie technologies to collect and store Platform Data about web browsers and devices across web sites and apps and over time. This Data may be used for the following purposes:

You can opt out of interest-based advertising by AppNexus here or by deactivating Java-Script in your Browser. For further Information visit:

https://www.appnexus.com/en/company/platform-privacy-policy

6.6 - Hotjar

Hotjar is an Analysis and Feedback tool provided by Hotjar Ltd (Level 2,St Julians Business Centre, 3, Elia Zammit Street, St Julians STJ 1000, Malta, Europe) that reveals the online behaviour and feedback of website's visitors. Hotjar uses a tracking code, which collects your information and transmit this to their servers based in Ireland. The following information may be collected through your device and browser:

We only use this Information to improve the functionality of our websites and make them more user-friendly, more valuable and simpler for you to use.

You may opt-out from having Hotjar collect your information when visiting a Hotjar website at any time by using a 'Do Not Track' header. You can read more on how to do that by clicking here. For further Information visit Hotjar's privacy policy.

6.7 - Mixpanel

We use technologies from Mixpanel, Inc. (405 Howard St, Floor 2, San Francisco, CA 94105, "Mixpanel") within some of our products to perform statistical evaluations. This allows us to improve and optimize product features and make their designs more appealing. Mixpanel uses Cookies to detect your browser type, operating system, language settings, the search criteria that you enter and your IP address. Mixpanel then sends this data to a Mixpanel server in the USA. Mixpanel anonymizes your IP address and only the anonymized IP address is sent to us, ensuring that your privacy remains protected. If you do not want to consent to such data collection, please see our instructions for disabling Cookies above. Furthermore, you can opt out of Mixpanel collecting and storing such data at any time by following the instructions in the link below:

https://mixpanel.com/optout/

More information about Mixpanel and its privacy policy can be found here.

6.8 - Piwik

We use the web analytics tool "Piwik". Piwik uses cookies, which enable us to analyse the your usage of our website. For this purpose the generated information in the cookie (including the abbreviated IP-address) is transmitted to our server and stored to enable us to optimize the usage of our website. In this process your IP-address is being anonymized immediately, so that you remain anonymous to us. The information generated by the cookie about your use of this website will not be disclosed to third parties. You may preclude the usage of cookies by selecting the appropriate settings in your browser, in this case it may occur, however, that you may not be able to use all functions of this website.