How are cookies installed on a website

Some or all of the cookies described below may be stored on your browser. If you want to change how cookies are used, you can prohibit the use of certain cookies at any time in your Google personalization settings on g.co/privacytools. You can also manage cookies in your browser (but this may not work with browsers for mobile devices). For example, if you are using Google Chrome as your browser, you can just go to chrome: // settings / cookies.

Functionality

Functionality cookies allow users to interact with a service or website to access functions that are fundamental to that service. Things that are considered fundamental to the service include settings such as the user's language choice, product optimizations that help maintain and improve a service, and the storage of information related to a user's session such as: B. the contents of a shopping cart.

Some cookies are used to save a user's settings. For example, there is a cookie called “NID” in the browsers of most users who use Google services. This cookie contains a unique ID which is used to store your preferred settings and other information, in particular your preferred language, how many search results should be displayed per page (e.g. 10 or 20) and whether the Google SafeSearch filter should be activated . Each "NID" cookie expires 6 months after the last use. A cookie called "VISITOR_INFO1_LIVE" serves a similar purpose for YouTube and is also used to identify and correct problems with the service.

YouTube uses the 'PREF' cookie to save information such as a user's preferred page configuration and playback settings such as autoplay, random mix and player size. For YouTube Music, these settings include volume, repeat mode, and autoplay. This cookie expires 8 months after the last use.

Some cookies are used to make surfing during a certain browser session even more user-friendly. For example, “YSC” is used by YouTube to store user input and to assign it to the actions of a user. This cookie remains as long as the user has opened their browser. The "pm_sess" cookie also helps to maintain a user's browser session and remains in place for 30 minutes.

Some cookies improve the performance of Google services. For example, “CGIC” improves the delivery of search results by automatically completing search queries based on a user's first input. This cookie remains for 6 months.

security

Cookies, used for security, authenticate users, prevent fraud, and protect users while they are interacting with a service.

Some cookies are used to authenticate users and help ensure that only the actual owner of an account can access this account. For example, so-called SID and HSID cookies record the Google account ID and the last time a user logged in in digitally signed and encrypted form. The combination of these cookies enables us to block many types of attacks. For example, we stop attempts to steal information from forms submitted to Google services.

Some cookies are used to prevent spam, fraud and abuse. For example, the cookies "pm_sess" and "YSC" ensure that requests within a browser session are made by the user and not by other websites. Both cookies prevent malicious websites from acting without the user's knowledge and pretending to be that user.

analysis

Cookies that are used for analysis help to collect data that enable the services to understand how users interact with a particular service. With this information, the services can both improve their content and develop functions for an optimized user experience.

Some cookies help to understand how users interact with individual websites. For example, Google Analytics, a Google product that helps website and app owners understand how users interact with a service, uses a series of cookies to collect information and generate usage statistics without personally identifying individual visitors . "_Ga" is the most important Google Analytics cookie. "_Ga" enables a service to distinguish one user from others and is valid for 2 years. It is used by every website that has implemented Google Analytics, including Google services.

Google services also use analysis cookies like this one, as well as others like “NID” in Google searches and “VISITOR_INFO1_LIVE” on YouTube.

advertising

Google uses cookies for advertising, also for the delivery and presentation of advertising, for the personalization of advertising (depending on your advertising settings under g.co/adsettings), for limiting the frequency with which an advertisement is shown to a user , for suppressing advertisements you no longer want to see and for measuring the effectiveness of advertisements.

  • "NID" is used for this purpose to show Google ads in Google services for users who are logged out.
  • "IDE" and "ANID" are used for these purposes to display Google advertisements on websites that do not belong to Google

Other Google services like YouTube can also use these cookies and cookies like “VISITOR_INFO1_LIVE” to show more relevant advertisements.

If you have activated personalized advertising, “ANID” is used to save this setting. “ANID” remains valid for 13 months in the European Economic Area (EEA), Switzerland and the United Kingdom (UK) and for 24 months everywhere else. If you have deactivated personalized advertising, “ANID” will be used to save this setting until 2030. “NID” expires 6 months after the last use. “IDE” remains valid for 13 months in the EEA, Switzerland and the United Kingdom, and 24 months everywhere else.

Some cookies that are used for advertising are intended for users who register to use Google services. For example, "DSID" is used to identify a registered user on non-Google pages and to save whether the user has consented to personalized advertising. This cookie is valid for 2 weeks.

Companies can use Google's advertising platform to advertise both in Google services and on non-Google websites that work with Google.

Some cookies help Google to display advertisements on third-party websites. These cookies are set in the domain of the website you are visiting. For example, "_gads" cookies enable websites to display advertisements from Google, including personalized advertisements. Cookies that start with "_gac_" come from Google Analytics and are used by advertisers to measure user activity and the performance of their advertising campaigns. A “_gads” cookie is valid for 13 months and a “_gac_” cookie is valid for 90 days.

Some cookies can be used to measure the performance of advertisements and campaigns as well as conversion rates for Google ads on a website you visit. This includes, for example, cookies that begin with "_gcl_". These come from Google Analytics and are primarily used to enable advertisers to determine how often users who click on their ads end up taking an action on their website, e.g. B. buy something. Cookies that are used to measure conversion rates are not used to personalize advertising. A "_gcl _" cookie is valid for 90 days.

personalization

Cookies that are used for personalization enable personalized content and functions and thus improve user-friendliness.

Depending on your settings under g.co/privacytools, some cookies allow better recommendations within a service. For example, “VISITOR_INFO1_LIVE” enables personalized recommendations on YouTube that are based on previous visits and searches. “NID”, on the other hand, enables personalized automatic completion in Google Search when users enter search terms. These cookies expire 6 months after they were last used.