Cookie List

LAST UPDATED: APRIL 25, 2024

This page details the first party and third-party cookies used across LSEG websites and supplements our Cookie Statement.

These cookies are subject to change and we may update this information from time to time. For a list of active cookies on a particular LSEG website you are visiting, such as lseg.com, londonstockexchange.com or lch.com, please refer to the “Cookie Details” section of Cookie Settings accessible at the footer of such website.

Strictly necessary cookies

These cookies are necessary for websites to function and cannot be switched off through the applicable cookie preference centre. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms.

    Cookie Name Description First Party / Third Party Duration
__cf_bm This cookie is necessary to support Cloudflare Bot Management, currently in private beta. As part of our bot management service, this cookie helps manage incoming traffic that matches criteria associated with bots. First Party A few seconds
__cfduid  Cookie associated with sites using CloudFlare, used to speed up page load times. It is used to override any security restrictions based on the IP address the visitor is coming from. It does not contain any user identification information. First Party A few seconds
__RequestVerificationToken  This is an anti-forgery cookie set by web applications built using ASP.NET MVC technologies. It is designed to stop unauthorised posting of content to a website, known as Cross-Site Request Forgery. It does not contain any user identification information. First Party 30 days
ASP.NET_SessionId  General purpose platform session cookie, used by sites written with Microsoft .NET based technologies to maintain an anonymised user session by the server. First Party Session
AWSALBCORS, AWSALB These cookies are managed by Amazon Web Services and are used for load balancing to optimise user experience of the website.  First Party 7 days
ASPXANONYMOUS This cookie is used by sites using the .NET technology platform from Microsoft. It enables the site to maintain an anonymous user-id to track unique users within a session without them logging in or otherwise identifying themselves. First Party 69 days
incap_ses_* This is an Incapsula DDoS Protection and Web Application Firewall cookie that is used to relate HTTP requests to a certain session (AKA visit). Re-opening the browser and accessing same site are registered as different visits to maintain existing sessions (i.e. session cookie). First Party Session
JSESSIONID  General purpose platform session cookie, used by sites written in JSP to maintain an anonymous user session by the server. First Party A few seconds
OptanonAlertBoxClosed This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust.  It is set after visitors have seen a cookie information notice and, in some cases, only when they actively close the notice down.  It enables the website not to show the message more than once to a user.  It contains no information that can identify the site visitor. First Party 1 year
OptanonConsent This cookie is set by the cookie compliance solution from OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the users browser, when consent is not given. It contains no information that can identify the site visitor. First Party 1 year
visid_incap_XXXXXX  This is an Incapsula DDoS Protection and Web Application Firewall cookie that links certain sessions to a specific visitor (visitor representing a specific computer) to identify clients that have already visited the website. First Party 1 year

Performance cookies 

These cookies collect information, including analytics, about how you use our Services. Information collected includes, for example, the Internet browsers and operating systems used, the domain name of the website previously visited, the number of visits, average duration of visit, actions taken, and pages viewed. These cookies may be used to record or track your interaction and/or use of our web and/or mobile sites, platforms and/or digital properties. Performance cookies help us measure the activity on our Services, create reports and statistics about the performance of our Services, improve the user-friendliness of the Services and improve the quality of our Services. These types of cookies typically stay active on your computer until they are deleted or until the cookies expire (as applicable).

Cookie Name(s) Description  First Party / Third Party Duration
_cls_s A cookie owned by Glassbox, a web analytics service, that helps us understand how users interact with our websites. The information collected remains anonymous and is used to improve our website usability. First Party Session
_cls_v A cookie owned by Glassbox, a web analytics service, that helps us understand how users interact with our websites. The information collected remains anonymous and is used to improve our website usability. First Party 5 years
__ga Google Analytics cookie to distinguish unique users and track visitor interactions with our websites. It enables data collection on user behaviour, such as page views and session duration. This information helps LSEG understand user engagement and optimise our websites.   First Party 729 days 
_ga_xxxxxxxxxx, _gat_gtag_xxxxxxxxxxxxxxxxxxxxxxxxxxx Google Analytics cookies used to generate statistical data on how the visitor uses our websites. First Party Session
_gat Google Analytics cookie used to throttle the request rate - limiting the collection of data on high traffic websites. First Party 10 minutes
_gat_UA-  This is a pattern type cookie set by Google Analytics, where the pattern element on the name contains the unique identity number of the account or website it relates to. It is a variation of the _gat cookie which is used to limit the amount of data recorded by Google on high traffic volume websites. First Party A few seconds
_gclxxxx  A Google conversion tracking cookie that counts website visits and traffic sources which helps us measure and improve the performance of our websites. First Party 89 days
_gid Installed by Google Analytics, this cookie stores information on how visitors use our websites, while also creating an analytics report of the website's performance. The data collected includes the number of visitors, their source, and the pages they visit anonymously. First Party A few seconds
_uetvid  A cookie utilised by Microsoft Bing Ads that allows us to engage with a user that has previously visited our websites. First Party 389 days
gpv_pn, gpv_url  Adobe Analytics cookies used to store the quantity of page URLs a user views when visiting a LSEG website. First Party A few seconds
pageloadtime Adobe Analytics cookie that tracks the time pages take to load. First Party A few seconds
s_cc Adobe Analytics cookie used to determine whether cookies are enabled in the web browser. First Party Session
s_fid Adobe Analytics cookie used to identify a unique visitor if the standard s_vi cookie is unavailable due to third-party cookie restrictions. It contains a randomly generated, unique id. First Party 2 years
s_ips Adobe Analytics cookie used for measuring a visitor’s scroll activity to see how much of a page they view before moving on to another page. First Party A few seconds
s_plt Adobe Analytics site tracking cookie that logs the loading time of the previous page. First Party A few seconds
s_pltp Provides a page name (URL) value for use by Adobe Analytics. First Party A few seconds
s_ppv Adobe Analytics cookie that stores information on the percentage of the page displayed. First Party Session
s_tp Adobe Analytics cookie that measures a visitor’s scroll activity to see how much of a page they view before moving on to another page. First Party A few seconds
TEST_AMCV_COOKIE_WRITE Adobe Analytics cookie that determines whether the user has accepted the cookie consent box. First Party Session
TEST_AMCV_COOKIE Adobe Experience Cloud cookie used to measure website analytics. First Party 2 years
WT_FPC WebTrends analytics cookie, used to track and report on visitor behaviour on a LSEG website for performance improvement. First Party 2 years
demdex This cookie helps Adobe Audience Manger perform basic functions such as visitor identification, ID synchronization, segmentation, modeling, reporting, etc. Third Party 180 days
visitor_id#####, visitor_id6522-hash These cookies are owned by Pardot, the marketing automation platform provided by Salesforce.com. They append a unique identifier for a website visitor, used for tracking purposes. Third Party 1 year

Functional cookies

These cookies allow the website to remember information about you (e.g. your username or ID,) and the choices you make (e.g. your language preference, or the area or region you are in) and provide enhanced, more personalised features or content to you. These cookies can also be used to remember changes you have made to text size, fonts, and other customisable parts of web pages. They may also be used to provide Services you have asked for, such as watching a video or commenting on a blog. If you do not allow these cookies or if you toggle these cookies off, then some or all of these Services may not function properly. These cookies cannot track your browsing activity on other websites.

Cookie Name Description  First Party / Third Party Duration
at_check Used by Adobe Target to check if cookies are enabled/supported on the browser. First Party Session
ELOQUA This cookie is set by Oracle Eloqua and is used by LSEG to understand what website content users have viewed and what content interests those individuals First Party 395 days
has_js  A cookie used to ascertain whether the visitor’s browser has JavaScript enabled. First Party Session
language A cookie used to store language preferences, potentially to serve up content in the stored language. First Party A few seconds
mbox Adobe Target cookie used to keep a number of values (session ID, pc ID, check and disable) which helps us test which online content and offers are more relevant to visitors. First Party 2 years
player This cookie saves your settings before you play an embedded Vimeo video. This means that the next time you watch a Vimeo video, you will get your preferred settings back. Third Party 1 year
vuid This cookie collects information about your actions on our websites that have embedded a Vimeo video. Third Party  2 years
__cf_bm This cookie, which is part of Cloudflare's Bot Management service is used to distinguish between humans and bots. This assists the website owner make valid reports on the use of their website. The cookie does not collect any personal data, or track the user across different sites Third Party A few seconds

Targeting cookies

These cookies track browsing habits (on and off of our websites and digital properties) and are used to deliver targeted (interest-based) advertising. They are also used to limit the number of times you see an ad and to measure the effectiveness of advertising campaigns. They remember that you have visited a website and this information may be shared with other organisations, such as advertisers and LSEG’s advertising partners, who might use it with information about how you use other websites, including identifying shared interests and behaviours across groups of users who visit our (and other) websites. In connection with this type of cookies, your activities may be tracked or reviewed using identifiers (e.g. a cookie ID). These types of cookies will typically stay on your computer until they are deleted or until they expire (if applicable).

Cookie Name Description  First Party / Third Party Duration
__qca This cookie is associated with Quantcast, a digital advertising company.  It collects anonymous data on the user's visits to our websites, such as the number of visits, average time spent on the website and what pages have been loaded. This anonymous data helps us to better understand users' needs and customise our websites accordingly. First Party 391 days
_dlt  Quantcast cookie that sets a unique ID for each user session on a LSEG website. This allows us to obtain data on visitor behaviour for statistical purposes First Party A few seconds
_fbp This cookie tracks a user’s visits across different websites and reports that behaviour to Facebook. Facebook can then use the data it collects to understand that user better and show better, more relevant advertising. This cookie is a first-party cookie, meaning Facebook placed it while a user is on Facebook. The _fbp cookie does not collect personally identifiable information and is placed by Facebook only to send data back to themselves. First Party 89 days
_gat_gtag_xxxxxxxxxxxxxxxxxxxxxxxxxxx  Google Analytics cookie used for targeted advertising  First Party A few seconds
_gat_UA-XXXXXX-X  Google Analytics cookie used for targeted advertising First Party A few seconds
_uetsid  This cookie is used by Microsoft Bing to determine what ads should be shown that may be relevant to an end user that has visited our websites. First Party A few seconds
AMCV_, AMCVS_ Adobe Marketing Cloud cookies that set and store a unique ID for our site visitors, allowing us to track users across our websites. First Party A few seconds
drift_campaign_refresh  This is the session identifier token. It is used to tie the visitor on a LSEG website with a current website session within the Drift system, a conversational marketing solution. This allows users to be targeted with relevant offers through the Drift chat functionality embedded in our websites. First Party A few seconds
drift_aid, driftt_aid These cookies are used to tie the visitor of a LSEG website with the profile within the Drift system. This allows Drift to remember the information that the site visitor has provided through the chat on subsequent site visits. First Party 730 days
visitor_id This is a cookie pattern that appends a unique identifier for a website visitor, used for tracking purposes.  First Party 365 days
ln_or A cookie used to determine if Oribi, a web analytics tracking tool, can be carried out on a LSEG website.  First Party A few seconds
audience This domain is owned by spotxchange. The main business activity is: Video Advertising. Third Party 365 days
AnalyticsaSyncHistory Cookie used by LinkedIn to store and track visits across websites. Third Party 30 days
anj This domain is owned by AppNexus Inc. The company provides a range of online advertising technology and services. Third Party  90 days
bcookie Cookie used by LinkedIn to uniquely identify devices accessing LinkedIn to detect abuse on the platform. Third Party 2 years
bku, bkpa Oracle BlueKai cookies that collect anonymised data about a user’s web usage. This data is used to build an anonymous profile of their behaviour online and what they are interested in. We use this information to learn more about our user’s interests to enable better and more relevant marketing for our users. Third Party 180 days
bscookie Used by LinkedIn for tracking the use of embedded services on LSEG websites, such as a “share” button that enables the visitors to share LSEG website content on their profile. Although such buttons add functionality to the website they are on, cookies are set regardless of whether or not the visitor has an active LinkedIn profile, or agreed to their terms and conditions. For this reason, it is classified as a primarily tracking/targeting cookie. Third Party 365 days
CMID, CMPRO, CMPS Cookies set by CasaleMedia to track anonymous data related to the user's visits to a LSEG website, such as the number of visits, average time spent on the website and what pages have been loaded, with the purpose of displaying targeted advertising. Third Party A few seconds
CONSENT A cookie set by YouTube that is embedded in You Tube videos. It registers anonymous statistical data on for example how many times the video is displayed and what settings are used for playback. Third Party 6150 days
cookies.js Cookie set by Eventbrite is a U.S.-based event management and ticketing website providing event promoting services. Third Party Session
d A cookie set by Quantcast to collect anonymous data related to the user's visits to a LSEG website, for the purpose delivering relevant online advertising to individual users. Third Party 90 days
dextp, dpm Adobe Audience Manager sets these cookies to collect usage data from LSEG channels and devices (for example, web analytics, device data and CRM). The data is unified to create audience profiles for targeted marketing. Third Party 180 days
everest_g_v2, everest_session_v2, ev_sync_dd These cookies are owned by Adobe. Used to map a user’s engagement with ads, measure the effectiveness of ads, and optimize ad bids from third parties based on the users’ interaction with ads. Third Party 365 days
i Cookie set by OpenX. It includes a random string created to recognize the user’s device for the purpose of delivering advertisements, as well as the timestamp of the string’s creation. By matching this cookie with web analytics data collected by LSEG, more relevant ads can be targeted to the user. Third Party 365 days
IDE Used by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user. Third Party 365 days
kampyle_userid, kampyleSessionPageCounter, kampyleUserSession, kampyleUserSessionsCount Cookies set by Eventbrite is a U.S.-based event management and ticketing website providing event promoting services. Third Party 365 days
lang Cookie used by LinkedIn to remember a user's language setting to ensure LinkedIn.com displays in the language selected by the user in their settings. Third Party Session
li_gc Cookie used by LinkedIn to store cookie consent preferences. Third Party 180 days
li_sugr Cookie used by LinkedIn to identify users. Third Party 90 days
lidc Cookie used by LinkedIn to facilitate data centre selection. Third Party 1 days
lpv6522 Cookie set by Pardot, a marketing automation platform provided by Salesforce.com which provides lead generation services to businesses. Third Party A few seconds
mc Cookie set by Quantcast to anonymously track and measure user interactions with LSEG websites and apps, so that we can better understand how our websites and apps are being used. Third Party 396 days
MSPTC, MUID These cookies are associated with Bing, owned by Mircosoft. They are used to anonymously track visits across websites to help understand user browsing habits for better ad targeting. Third Party 390 days
personalization_id This cookie enables Twitter to collect data through embedded Twitter functions within LSEG websites, used primarily for tracking and advertisement targeting. Third Party 730 Days
pardot Cookie set by Pardot, a marketing automation platform provided by Salesforce.com which provides lead generation services to businesses. Third Party A few seconds
SERVERID This domain is owned by Eyeota, a global company specialising in audience data to enable better ad targeting. Third Party Session
test_cookie Used by Google DoubleClick to determine if the user's browser supports cookies. Third Party 365 days
tuuid, tuuid_lu These cookies are used for analytics and advertising services provided by Demandbase. Their products provide business-to-business (B2B) companies like LSEG sales and marketing support to help us discover, manage, and measure target audiences Third Party 2 years
tvid This domain is owned by Tremor Video which provides a marketplace for online video based cross-device advertising. Third Party 364 days
tv_UIDM This domain is owned by Tremor Video which provides a marketplace for online video based cross-device advertising. Third Party 2 years
UserMatchHistory Cookie used by LinkedIn for advertisement analytics. Third Party 30 days
uid This cookie is associated with Turn, and advertising platform. It collects anonymous data related to the user's visits to a website, such as the number of visits, average time spent on the website and what pages have been loaded, with the purpose of displaying targeted ads. Third Party 180 days
uuid2 This cookie is set by AppNexus and records information that helps in differentiating between devices and browsers. This information is used to pick out ads delivered by the platform and assess the ad performance. Third Party 90 days
VISITOR_PRIVACY_METADATA This cookie set by YouTube that stores the user's cookie consent state for the current domain. Third Party 180 days
VISITOR_INFO1_LIVE A cookie set by YouTube that tries to estimate a user’s bandwidth on pages with integrated YouTube video  Third Party 180 days
YSC A cookie set by YouTube that registers a unique ID to keep statistics of the YouTube videos the user has seen Third Party Session