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Cookie	Duration	Description
`echo_consent`	6 months	Remembers which cookies you allowed on this site, so you aren’t asked on every page.

Let the site offer extra features, such as maps and chat, and remember choices you make.

Cookie	Duration	Description
`picsum.photos` picsum.photos	—	This cookie's purpose is currently unknown.
`www.openstreetmap.org` openstreetmap.org	—	This cookie's purpose is currently unknown.

Help us understand how visitors use the site — which pages are popular and how people find us — so we can improve it.

Cookie	Duration	Description
`_ga`	2 years	Google Analytics: tells visitors apart, to count visitors and their visits.
`_ga_*`	2 years	Google Analytics: keeps track of the current visit for one Analytics property.
`_hjSession_*`	30 minutes	Hotjar: holds the current visit’s data.
`_hjSessionUser_*`	1 year	Hotjar: tells visitors apart across visits.
`echo_heatmap`	30 minutes	Groups one visit’s clicks and scrolling together, for the site’s anonymous heatmaps.
`vuid` vimeo.com	2 years	Vimeo: collects statistics of the Vimeo videos watched.

Help us test and measure improvements, such as trying two versions of a page to see which works better.

Cookie	Duration	Description
`echo_ab_visitor`	1 year	Keeps you on the same version of a page while we test two versions of it, and counts which works better.

Used by advertising partners and video services such as YouTube to show you relevant adverts, on this site and others, and to measure our campaigns.

Cookie	Duration	Description
`_gcl_au`	3 months	Google Ads: links an advert that was clicked to what the visitor then did on the site, to measure the campaign.
`VISITOR_INFO1_LIVE` youtube.com	6 months	YouTube: estimates the visitor’s connection speed and remembers player settings, and is used for YouTube’s adverts.
`VISITOR_PRIVACY_METADATA` youtube.com	6 months	YouTube: remembers the visitor’s cookie choices for YouTube.
`YSC` youtube.com	Session	YouTube: keeps statistics of the videos watched.