The Battle of Britain

List of Cookies Used on this Website

This page lists cookies in use on the IWM's main website. Read more about how and why we use cookies on this site and how to control them, and see here for cookies used on our other websites.

Set by/for (applicable domain name) Name Contents Duration Purpose/notes
First-party cookies set by IWM's software
Our website software, Drupal, sets a number of cookies as follows
IWM
(iwm.org.uk)
has_js A number Session Allows the server to know if it can depend upon javascript. Set to "1" if user has javascript enabled by whichever page a visitor arrives on.
IWM
(iwm.org.uk)
[session id] A unique identifier 3 weeks Used to log in. Set on any page when a visitor arrives
IWM
(iwm.org.uk)
cookiesenabled "true" 1 year Used to decide whether to show the "cookie warning" bar. If this is cannot be set to true then cookies are disabled and the bar is not shown. Set on any page when a visitor arrives.
IWM
(iwm.org.uk)
cookieconsent "happy" 6 months Set if the visitor has dismissed the "cookie warning" bar and thus indicated that they do not need to be warned again. Set on any page when a visitor dismisses the bar.
First party cookies set for other services
We set our own cookies for Google Analytics and for Reinvigorate, which are anonymous and let us see how our websites are being used
IWM for Google Analytics
(iwm.org.uk)
__utma
__utmb
__utmc
__utmz
___utmv
A unique identifier for that browser; information about how the user came to our website Various: a mix of session and "permanent" cookies lasting 30 mins, 6 months, or 1-2 yrs Anonymously tracks use of website
These cookies are set or updated on any page visited. See here for full details. Several cookies are set but all serve the same purpose of how people reached the site and used it including search terms used and referring sites.
IWM for Reinvigorate
(iwm.org.uk)
sv893-[XXX] A number Mixed from 1 day to 1 year Used to see how people interact with our pages
Up to four cookies starting "sv893-" are set by Reinvigorate and containing numbers like "18764627". Set on any page when a visitor arrives. Reinvigorate gives us insights into what people do on our web pages - which buttons they click etc - so we can improve our design.
Third party cookies
Google Translate
(translate.googleapis.com)
PREF No personally identifiable information   This cookie is associated with the use of the Google Translate widget on our pages
AddThis
domain of the current site when beginning "__"
addthis.com for others
__atuvc
Uit
Ssh
Sshs
Ssc
Uid
Uvc
psc
Share methods used Permanent (1 month - 2 years) Track usage of AddThis links. The cookies may be set and used on other websites too. AddThis explain their cookies (anonymous tracking cookies) here and offer an opt-out mechanism here. Clearspring, the company the provides AddThis, owns some other companies and domains connected to advertising. Their cookies have not been observed on our site but include xgraph.com and xgraph.net
Vimeo
(player.vimeo.com)
__utma
__utmb
__utmc
__utmz
[see Google Analytics] [see Google Analytics] Cookies for tracking use of embedded videos. They appear to be Google Analytics cookies but set by Vimeo. They are only set when movie loads. We can't show videos without them. See http://vimeo.com/privacy
Vimeo for comScore
(scorecardresearch.com)
  a unique identifier   Tied in to Vimeo player. comScore, the company behind this cookie, reports on the use of websites across the internet. More information: here and here