Cookies you may see if you browse our site

Cookies and technologies which are strictly necessary

Services across OU websites

Purpose/ descriptionCookies or technologySet by (1st/ 3rd party)VendorData controllerDuration
Load balancing (Netscaler)NSC_[string]OUCitrixOUSession
Cross-Site Request ForgeryXSRF-TOKENOUAWSOUPersistent
Maintaining user session, security: session identifiers; technical telemetry (page load timings, error events)ai_sessionOUMicrosoftOU30 minutes
Maintaining user session, security: session identifiers; technical telemetry (page load timings, error events)ai_userOUMicrosoftOUUp to 1 year
Maintains user sessionPHPSESSIDOU OUPersistent
AuthenticationAsp.net_SessionIdOUmicrosoftOU 
Authentication

Cookies include:

  • AppServicesAuthSession
  • CDC-UID
  • ig_bootstrap_3_xx
  • gig_canary
  • gig3pctest
  • glt_3_xx
  • gltexp_3_xx
  • gmid
  • hasGmid
  • __RequestVerificationToken_L09VLUlkZW50aXR50
  • _gig_it
  • _gid
  • ucid
SAP (gigya, CDC)SAPOUUp to 12 months: see SAP Help Portal for details
Authentication/ maintaining user session (SAMS)
  • Saml2xx; sams_qs_temp
  • SimpleSAMLSessionID
  • _opensaml_req_ss[string]
  • SAMSsession
  • SAMS2session
  • Cookies.js
OU OUSession
Displaying the name of a logged in userHS7BDFOU OUSession
Resetting your OU password
  • SAMSReset
  • SAMSReset3
OU OUExpire when reset is complete
Remembers the pages prior to logging in so that a user can return to the appropriate page after log inSAMS001cOU OUSession 
Cookie consent management
  • SyrenisCookieConsentDate_xx
  • SyrenisCookieFormConsent_xx
  • SyrenisCookiePrivacyLink_xx
  • SyrenisGtmConsent_xx
  • SyrenisGuid_xx
  • advertisingCookie
  • AnalyticsCookie
  • PersonalisationCookie
SyrenisSyrenisOU1 year
Security, bot detection
  • cookie: _cf_bm
  • web beacon
OUCloudflareOU

1 day.

Cloudflare cookies

Preference selection
  • OU_CountryPhoneNumber
  • OU_country_code
OU OUSession
Remembers international visitorsGDOU OUPersistent
Formatting selection for computer or mobile
  • OUFULLSIZE
  • OUMOBILE
OU OUPersistent
Stores the visitor's preferred languageCMSPreferredCultureOUKenticoOU1 year
Indicates if the visitor has been redirected to the module version of the website CMSMobileRedirectedOUKenticoOUExpires when you close your browser
Stores the name of the current visual theme to provide proper design to the dialogue windowsCMSCurrentThemeOUKenticoOU1 day
Questionpro survey cookies to enable the survey to function correctly, prevent duplicate responses, and allow users to complete or resume surveysQuestionPro Privacy PolicyQuestionProQuestionProOU365 days
 
  • ContactX2FAQ
  • X1REDIRECTOR
   Session

 

Strictly necessary cookies on specific websites/ services

SitePurpose/ descriptionCookies or technologySet by (1st/ 3rd party)VendorData ControllerDuration
OU Search Load balancingAWSALBTGCORS,HawksearchAWSOU1 week
OpenLearnUsed for displaying content correctly
  • olePageState
  • oleTabsCycle ouTabs
OU OUSession
Module websites (Moodle)Maintaining user session
  • MDL_SSP_SessID
  • MoodleSessionlearn[x]
  • MoodleSessionolf
  • MoodleSessionolw Moodle
OUMoodleOUExpire when you close your browser
Module websites these cookies are used to identify a logged in user
  • MOODLEID_ol
  • MOODLEID - 
OUMoodleOUPersistent
OU People ProfilesAuthentication, maintaining user session, load balancingoupps_open_university_people_profile_system_session,OU OUPersistent
Library resourcesStores user authentication details for login
  • Ezproxy
  • Ezproxyl
  • Ezproxyn
EZProxyEZProxyOUNo expiry
Open Research OnlineAuthenticationsecure_eprints_session:oro.open.ac.uk OUeprintsOU24 hours
Library resources User session/ authenticationoaxsrftkn - XSRF seed token for a userOpenAthensOpenAthensOpenAthensNo expiry
Library resources Maintains user sessionoa-session:OpenAthensOpenAthensOpenAthensNo expiry
Library resources XSRF seed tokenoa-xsrf-token: OpenAthensOpenAthensOpenAthensNo expiry
Library resources Cookie consent status for end-user pagesoa-cookieconsent_statusOpenAthensOpenAthensOpenAthensNo expiry
Library resources Maintains admin account sessionoaadsid -OpenAthensOpenAthensOpenAthensNo expiry
Library resources Maintains user account sessionoatmpsidOpenAthensOpenAthensOpenAthensNo expiry
Library resources Multi-factor authentication stateoa2fastate_*OpenAthensOpenAthensOpenAthensNo expiry
Library resourcesStores the selected organisationoaselorgOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesLast selected brokered connectionoacorgOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesStores the last used organisationoalastorgOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesStores the SAML request IDoasamlreqidOpenAthensOpenAthensOpenAthensNo expiry
Library resources Active saml request idoasamlreqidOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesWhether debug mode is enabledssodebugOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesThe saml connector chosen if you map to multiple organisationsoaorgmapOpenAthensOpenAthensOpenAthensNo expiry
Library resourcesMaintains user session and state
  • AWSALB
  • AWSALBCORS
 Springshare LibanswersOU7 days
OU Digital ArchivePreference for viewing images as list or thumbnailouda_image_viewOU OU1 hour
OU Digital ArchiveState of open and closed concertina facetscollapsibleOU OU7 days
Library searchcookie consent statuscookie_consentedOUExlibris/AlmaOU1 year
Library resourcesMaintaining user sessions
  • chg_pwd
  • digitalDoc
  • institute
  • JSESSIONID
  • productCode
  • SAMLIdpSessionIndex
  • SAMLIdpNameId 
OUExlibris/AlmaOUNo expiry
Library searchMaintaining user sessions
  • urm_se   
  • urm_st
  • JSESSIONID
  • digitalDoc
  • institute
OUExlibris/AlmaOUSession
CeremoniesThis cookie is used to remember the location of the selected graduation ceremony 
  • HTTP_O1GK
  • _CEREMONY_CODE
OU OUSession
StudentHomeused when editing your profile page in StudentHomeASPSESSIONID* OUMicrosoftOUSession
StudentHomeTo display correct information for logged in usersIOEMENUOU OUSession
PodcastTo remember volume settings
  • jwplayer.volume
  • jwplayer.mute
OU OUSession

 

Analytics cookies and technologies

ServicePurposeCookies or technologyVendorControllerDuration Links
SiteImproveRecords visitors’ use of the website and sequence of pages viewed, for analyticsnmstatSite improveOUup to 1000 daysCookies and session storage
Google analytics

Distinguishes users by storing a unique, randomly generated client ID.

Also used for ad performance measurement, personalisation of services and communications.

_ga:  

 

GoogleOU2 years

To opt out of being tracked by Google Analytics across all websites, visit their opt out page

How Google uses information 

General privacy form 

More information on privacy

Google analyticsUsed to persist session state and store information about your session.

_ga_<container-id>

 

GoogleOU2 years
Google analyticsUsed to distinguish users.

_gid

 

GoogleOU1 day
Google analyticsStores a value used for setting the Client ID in the request to Google's servers.

FPID

 

GoogleOU731 days
Google analyticsRegisters a unique ID that is used to generate statistical data about how the visitor uses the website.

FPLC

 

 

GoogleOU1200 minutes
Google analytics Pixel, javascriptGoogleOU, Google 
Microsoft Clarity, session recording toolPersists the Clarity User ID and preferences, unique to that site is attributed to the same user ID._clck   MicrosoftMicrosoft and separately, OU 

MS Clarity helps us understand how customers use our site, identify usability issues and improve the overall customer experience.

Microsoft collects and receives information used for marketing purposes, as well as assisting us with tracking the performance of advertising we do via Microsoft’s services (Bing etc.). 

More information on how Microsoft use this information please see their privacy statement.

Microsoft Clarity, session recording toolConnects multiple page views by a user into a single Clarity session recording._clsk    MicrosoftMicrosoft and separately, OU 
Microsoft Clarity, session recording toolIdentifies the first-time Clarity saw this user on any site using Clarity.CLID    MicrosoftMicrosoft and separately, OU 
Microsoft Clarity, session recording toolIndicates whether MUID is transferred to ANID, a cookie used for advertising. Clarity doesn't use ANID and so this is always set to 0.

ANONCHK     

 

MicrosoftMicrosoft and separately, OU 
Microsoft Clarity, session recording toolIndicates whether to refresh MUID.

MR      

 

MicrosoftMicrosoft and separately, OU 
Microsoft Clarity, session recording tool

Identifies unique web browsers visiting Microsoft sites. 

SM Used in synchronizing the MUID across Microsoft domains.

MUIDMicrosoft  Microsoft and separately, OU 
FullstoryA session recording tool, which helps us understand how customers use our site, identify usability issues and improve the overall customer experience. 

fs_uid: tracks the user across sessions and pages

 

FullstoryOU1 yearFullstory, GDPR, and You
FullstoryA session recording tool, which helps us understand how customers use our site, identify usability issues and improve the overall customer experience. 

fs_cid: stores the user's consent state for specific elements of the website, if this is being used

 

FullstoryOU1 yearFullstory, GDPR, and You
FullstoryA session recording tool, which helps us understand how customers use our site, identify usability issues and improve the overall customer experience. fs_lua: captures the timestamp of the user's last actionFullstoryOU30 minutesFullstory, GDPR, and You

 

Tracking and personalisation cookies and technologies

ServicePurposeCookies or technologyVendorControllerDuration
Google analyticsWe use data captured with the google cookie to track website visitors, and we link your browsing data to your OU profile, so you receive a more personalised experience and communications. We also use this data to help us develop services, for example to train machine learning models that predict behaviour and outcomes Cookies, e.g _gaGoogleOU2 years
Salesforce/ PardotPardot tracks visitor and prospect activities, and matches web visitors with prospect records in Pardot. Cookies such as visitor_id, visitor_id82412-pi_opt_in  SalesforceOUPersistent

 

Marketing cookies and technologies

ServicePurposeCookies or technologyVendorControllerDurationLinks
Google Ad and doubleclick  (Campaign Manager 360) TagsTracks users activity on The OU website to inform measurement and targeting of ads. This will include modeling of events on the OU website to improve accuracy of measurement and optimization. Targeting will include suppression, lookalike and retargeting

Pixel, JavaScript and cookies, including: 

  • _gcl_au
  • _gads ar_debug
  • FLC
  • 1P_JAR

Cookie information for Google's ad products

GoogleThe OU and Google LLC are independent controllers. The OU: Uses this data as a paid service from Google LLC on www.open.ac.uk which is collected upon consent, to show you personalized advertisements while using Alphabet Inc. affiliated sites (as an example Google and YouTube) and services and subsequently enter or re-enter www.open.ac.uk. Google Inc Collects and uses your personal data upon consent to track page visits on www.open.ac.uk, to be used for measurement, measurement modelling, targeting suppression, retargeting advertisements on Alphabet Inc. affiliated sites and services, and to serve marketing to someone who is similar to you.18 months

My Ad Center (Google)

Privacy Policy – Privacy & Terms – Google

Google enhanced conversionsMeasure the effectiveness of our ads, understand and define our audience for ad targeting and to analyse the effectiveness of our website’s conversion channelsAPI allowing us to track your activity on our website, sending hashed user provided contact details to Google, which is used to match to google accounts The OU and Google are independent controllers. Google Enhanced Conversions allows the OU to track your activity on our website. Google acts as a data processor on behalf of The OU for the above services. However, Google will also use the data collected via this mechanism for its own purposes and may compile it with existing data they may have on you. Data privacy settings, controls and tools – Google Safety Centre
Meta conversion APIMeasure the effectiveness of our ads, understand and define our audience for ad targeting and to analyse the effectiveness of our website’s conversion channelsAPI allowing us to track your activity on our website, sending hashed user provided contact details to Meta, which is used to match to google accountsMetaThe OU and Meta are independent controllers. The Meta CAPI allows the OU to track your activity on our website. Meta acts as a data processor on behalf of The OU for the above services. However, Meta will also use the data collected via the CAPI for its own purposes and may compile it with existing data they may have on you.90 daysMeta Privacy Policy – How Meta collects and uses user data | Privacy Centre | Manage your privacy on Facebook, Instagram and Messenger | Facebook Privacy
Meta pixel and cookiesMeasuring impact of campaigns. We can see how many Meta/ Facebook users take action on our website after seeing our Ad.Code on our website that allows us to share website events with Meta, also cookies  _fbp and _fbcMetaMeta and the OU90 daysMeta Privacy Policy – How Meta collects and uses user data | Privacy Centre | Manage your privacy on Facebook, Instagram and Messenger | Facebook Privacy
Pinterest advertisingMeasuring impact of campaigns. We can see how many Pinterest users take action on our website after seeing our Ad.

Cookies, including:

  • _pinterest_sess
  • _pinterest_ct
  • _pinterest_ct_rt
  • _epik
  • _derived_epik
  • _pin_unauth
  • _pinterest_ct_ua
  • _routing_id
  • ar_debug
PinterestThe OU1 yearManage your privacy and data settings | Pinterest help
Snapchat advertising pixel and cookiesMeasuring impact of campaigns. We can see how many Snapchatters take action on our website after seeing our Ad.

Code on our website that allows us to share website events with Snap

Cookies:

  • _ScCbts
  • _schn1
  • _schn2
  • _scid
  • _scid_r
  • _screload, x-ab
SnapThe OU and Snap Inc.90 daysSnap privacy policy
Snapchat conversion APIInterface that allows us to directly pass web, app and offline events to Snap. This helps optimize our ad campaigns, improve our targeting and measure the conversions that resulted from our Snapchat campaignsAPI - allowing us to track your activity on our website, sending hashed user provided contact details to Snap, which is used to match to snap accountsSnapThe OU and Snap are independent data controllers. The conversion API allows the OU to track your activity on our website. Snap acts as a data processor on behalf of the OU for the above services. However, Snap will also use the data collected via the API for its own purposes and may compile it with existing data they may have on you. Snap privacy policy
TikTok advertising pixel and cookiesMeasuring impact of campaigns, and to ensure we are serving relevant advertising to users across the platform. We can see how many TikTokkers take action on our website after seeing our Ad. 

A piece of code on our website that allows us to share website events with TikTok, also cookies including: 

  • _tt_enable_cookie
  • _ttp
  • Ttcsid
  • ttcsid_CI9EV7JC77U9G5MUTM60
TikTokTikTok and the OU TikTok Cookie Policy
TradedeskTo help ensure that the ads you see are relevant and to measure and report on their effectiveness. 

Cookies, including:

  • TDCPM
  • TDID
TradedeskTradedesk and the OU18 months

Privacy | The Trade Desk

To opt out directly, please visit their website.

Microsoft Advertising UETTracks site activity for retargeting purposes across the internet and activities.Cookies, scriptMicrosoft (Bing Ads Network)The OU and Microsoft are independent controllers. The OU collects and controls your consented user data in order to segment, target and recruit audiences via marketing communications in the MS Network including both Bing search and MS Ad Display Network. Microsoft uses your consented data for their own marketing purposes. 180 days

Legal, Privacy, and Personalization

Microsoft advertising agreement

LinkedIn advertisingTo track onsite conversions and build audiences of users who have been to The Open University website and to serve relevant advertisements via LinkedIn. 

Cookie based tracking technology:

  • Bcookie
  • li_gc
  • lidc
LinkedInLinkedIn and the OU 

Privacy Policy

Opt out of LinkedIn

Microsoft clarityMicrosoft collects and receives information used for marketing purposes, as well as assisting us with tracking the performance of advertising we do via Microsoft’s services (Bing etc.).

Cookies including:

  • _clck
  • _clsk
  • CLID
  • ANONCHK
  • MR
  • MUID 

 

MicrosoftMicrosoft is the Data controller for advertising purposes Privacy statement

 

Third party cookies you may see on our website

ServicePurposeCookies or technologyVendorDurationLinks
Google mapsTo remember user preferences, also used for marketing

Cookies

  • NID
  • APISID;
  • SAPISID:
  • G_AUTHUSER_H - Stores which Google account was used for login (if relevant for the user on your site).
GoogleSee Cookie information for Google's ad productsMy Ad Center (Google) Google Privacy Policy
Webchat (Comm 100 livechat)Cookies maintain the chat session, identify returning visitors and remember widget state.

You may see cookies such as:

  • __livechat
  • __livechat_lastvisit
  • common_iwcs_0
  • main_window_timestamp
  • main_window_timestamp_0
  • incap_ses_
  • __lc.visitor_id
  • lc_window_state
  • notification[predicted_agent]
  • autoinvite_callback
  • __livechat
  • common_iwcs_0
  • notification[new_messages]
  • recent_window
  • 3rdparty
  • message_text
  • SERVERID_L
  • secret_token_LICENCENUMBER
  • amplitude
  • LiveChat_offlineform
  • LiveChat
Comm100Duration varies: session cookies to ~1 year (visitor ID and preferences often up to ~1 year).Cookie policy
YouTube

Video player cookies enable:

  • embedded video playback
  • view counting and audience measurement
  • Linking embedded views to a logged‑in Google / YouTube account
  • personalised or non‑personalised ads (depending on settings and region)

Including:

  • __Secure-ROLLOUT_TOKEN, __Secure-YNID
  • LAST_RESULT_ENTRY_KEY
  • remote_sid
  • requests
  • VISITOR_INFO1_LIVE
  • VISITOR_PRIVACY_METADATA
  • YSC
GoogleUp to 180 daysGoogle privacy partners
VimeoVideo player cookies, for analytics, authentication, security purposes

Cookies including:

  • vuid
  • player
  • flags
  • [clip_id]_password
  • [webinar-uuid]_webinar_registrant
  • lc_hashplayer_clearance
  • _cf_bm
  • _cfuvid
  • cf)clearance
VimeoUp to 2 yearsVimeo Player Cookies
unibuddyRecruitment and support webchat with students – cookies used for third party analytics and marketing purposes

Cookies include:

  • __mp_opt_in_out_e9a59680aa5ae8a896c08d61ee24712a
  • _hjCookieTest
  • _hjSession_3356160
  • _hjSessionUser_3356160
  • mp_e9a59680aa5ae8a896c08d61ee24712a_mixpanel
unibuddy Unibuddy Cookie Policy
SilktideCollects anonymous analytics information to help identify accessibility issues, usability problems, technical errors, and opportunities to improve website content and structure.JavaScript script embedded in a website to collect aggregated interaction data about how visitors use the siteSilktide What does the Silktide analytics script do? 
ConductricsSplit testing tool: Anonymous experiment assignment and aggregated interaction metrics (e.g., page views/clicks) used to evaluate test performance. Uses local data storage rather than cookies Conductrics Conductrics privacy policy