Chapter 2: Sampling

Necessary cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

Origin	Cookie	Type	Description	Expiration
www.seedtest.org	JSESSIONID	HTTP	General platform session cookie used by websites written in JSP. Usually used to maintain an anonymous user session by the server.	Session
YouTube	VISITOR_PRIVACY_METADATA	HTTP	This cookie is used to store the user's consent and privacy choices for their interaction with the site. It records data on the visitor's consent regarding various privacy policies and settings, ensuring that their preferences are honored in future sessions.	6 months

Preference cookies allow a website to remember information that affects the way a website behaves or looks, such as your preferred language or the region you are in.

Origin	Cookie	Type	Description	Expiration
YouTube	YSC	HTTP	This cookie is set by YouTube to track views of embedded videos.	Session
YouTube	VISITOR_INFO1_LIVE	HTTP	This cookie is set by Youtube to keep track of user preferences for Youtube videos embedded in sites;it can also determine whether the website visitor is using the new or old version of the Youtube interface.	6 months
YouTube	__Secure-ROLLOUT_TOKEN	HTTP	This Cookie is likely a security token used in web applications to manage or track the deployment of features or changes in a controlled manner. It may be involved in feature rollouts, ensuring that only authorized users or sessions receive access to new features or updates. The "Secure" part indicates that the token is intended for secure communication, possibly encrypted or signed for verification.	6 months

Statistical cookies help website owners understand how visitors interact with websites by collecting and reporting information anonymously.

Origin	Cookie	Type	Description	Expiration
Google	_ga	HTTP	Registers a unique ID that is used to generate statistical data on how the visitor uses the website.	2 years
Google	_ga_#	HTTP	Collects data on how often a user has visited a website, as well as data for the first and last visit. Used by Google Analytics.	2 years

Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third-party advertisers.

Origin	Cookie	Type	Description	Expiration
Google	_utma	HTTP	This is one of the four main cookies set by Google Analytics, used to track visitor behavior and measure site performance. It distinguishes between users and sessions to calculate new and returning visitor statistics.	13 months
Google	_utmb	HTTP	This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance.	30 minutes
Google	_utmc	HTTP	This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance.	Session
Google	_utmz	HTTP	This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour measure of site performance. This cookie identifies the source of traffic to the site - so Google Analytics can tell site owners where visitors came from when arriving on the site.	6 months

Price	Free
Associate Member-Price	Free

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