Cookie List

LAST UPDATED: DECEMBER 24, 2024

Details of first party and third-party cookies used across LSEG websites are set out in the tables below.

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
__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
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 6 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
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 364 days
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 364 days
__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. Third Party A few seconds
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. Third Party Session
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. Third Party Session
JSESSIONID General purpose platform session cookie, used by sites written in JSP to maintain an anonymous user session by the server. Third Party Session
nlbi_XXXXXXX Helps websites measure and improve their performance. It counts visits and traffic sources and helps identify which pages are the most popular. The information collected by these cookies is aggregated and anonymous. Third Party Session
ROUTEID A load balancing cookie that maps a user's session to a specific server instance. It's used to identify a user's web session and route requests to a target group. Third Party Session
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. Third 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 1824 days
__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
adcloud A first-party cookie that associates the user's ID with relevant audience segments and conversions. The information about the last visit is used to optimize page load times by avoiding unnecessary requests to Adobe servers. First Party 730 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
sa-user-id-v2 This cookie is used to identify the user's session on the website and is often associated with analytics or personalization. First Party 1 year
s_ac Cookie used by Adobe Analytics to identify a user and track their activity where cookies are enabled in the web browser. First Party Session
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 730 days
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 Session
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
tr_ewp_tracking_params Cookie used to remember user preferences and enable personalized experiences. First Party Session
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
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. First Party 1 year
demdex This cookie helps Adobe Audience Manger perform basic functions such as visitor identification, ID synchronization, segmentation, modeling, reporting, etc. Third Party 180 days
GNWTracker The GNWTracker cookie counts visits to press releases and feeds that information to the GlobeNewswire Newswire analytics. This allows customers to see how many people have viewed their press release. The cookie aggregates all information it collects, so it's anonymous. 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 731 days
OptanonBannerType Optanon cookies are set by OneTrust's cookie compliance solution and remain on a user's browser for up to a year. This allows the cookie to remember a user's cookie preferences across multiple sites. First Party 364 days
redirectUrl A redirect URL cookie that directs a user or search engine to a new or similar page, or to any page that the website administrator wants them to land on. First Party Session
sa-user-id This cookie is typically associated with SnackTools, which is a suite of web applications for creating and sharing multimedia content. It is used to identify a user across sessions and track user activities. First Party 1 year
__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
_cls_cfgver A cookie used to determine if a visitor has accepted the cookie consent box and prevents the box from being displayed again when the visitor returns to the site. Third Party Session
_cls_v, _cls_s Cookies owned by Glassbox, a web analytics service, that help us understand how users interact with our websites. The information collected remains anonymous and is used to improve our website usability. Third Party Session
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

 

730 days
RT The RT cookie is used by Boomerang (Akamai) to store the start time of a page load and keep sessions alive when a user closes their browser and returns within 30 minutes.

Third Party

 

7 days

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
_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_UA-XXXXXX-X  Google Analytics cookie used for targeted advertising First Party

A few seconds
_gcl_au Cookie used by Google AdSense for experimenting with advertisement efficiency across websites using their services. First Party

89 days
_gat_gtag_xxxxxxxxxxxxxxxxxxxxxxxxxxx  Google Analytics cookie used for targeted advertising  First Party A few seconds
__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
_ rdt_uuid This cookie is set by Reddit and is used for tracking the views of embedded videos and performance of the advertisements. First Party 2 months
_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_ Adobe Marketing Cloud cookie that sets and stores a unique ID for our site visitors, allowing us to track users across our websites. First Party 730 days
AMCVS_ Adobe Marketing Cloud cookie that sets and stores a unique ID for our site visitors, allowing us to track users across our websites. First Party Session
AMCV_xxxxxAdobeOrg,
AMCVS_xxxxxAdobeOrg
Adobe Marketing Cloud cookies that stores a unique ID for our site visitors, allowing us to track users across our websites. First Party 1 Year
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
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
sa-user-id-v3 This cookie is used to track user identity by assigning a unique user ID when the user engages with the website. It is commonly used for analytics and personalization of content. First Party 1 Year
visitor_id This is a cookie pattern that appends a unique identifier for a website visitor, used for tracking purposes.  First Party 365 days
ajs%3Acookies Collects data on visitors. This information is used to assign visitors into segments, making website advertisement more efficient. Third Party 1 year
APC This cookie is set by Doubleclick (Google) and used to display customized advertisements based on a user's profile, browsing history, and location data. Third Party 5 months
ar_debug The purpose of this cookie is to aid in the debugging and troubleshooting of ads served by DoubleClick, which is a subsidiary of Google that provides ad management and ad serving technology. Third Party A few seconds
audience This Cookie is set by spotxchange and used to deliver adverts more relevant to you and your interests. Third Party 1 year
audit, audit_p Cookies set by the Rubicon Project for targeted advertising. Third Party 1 year
AnalyticsSyncHistory Cookie used by LinkedIn to store and track visits across websites. Third Party 30 days
anj AppNexus sets the anj cookie that contains data stating whether a cookie ID is synced with LSEG’s marketing partners. ID syncing enables LSEG’s marketing partners to use their data from outside LSEG websites on LSEG websites. Third Party  90 days
bcookie Cookie used by LinkedIn to uniquely identify devices accessing LinkedIn to detect abuse on the platform. Third Party 1 year
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 1 year
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 1 year
cd_user_id Cookie used to identify a user's session via a unique ID to help understand the performance of advertising. Third Party 1 year
CMID Cookie 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 364 days
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 89 days
CMRUM3, CMST Cookies set by CasaleMedia for anonymous user tracking based on user's website visits, for displaying targeted ads. 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
csrftoken A cookie that protects against Cross-Site Request Forgery (CSRF) attacks. Third Party 364 days
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
eblang, ebGAClientId Cookies set by Eventbrite for session management, tracking user behaviour, storing user preferences, and ensuring security. Third Party 1 year
ebEventToTrack Cookie set by Eventbrite for session management, tracking user behaviour, storing user preferences, and ensuring security. Third Party 30 days 
everest_g_v2, everest_session_v2 These cookies are owned by Adobe. Used to track a user's interactions with ads and website content to help optimize ad performance and improve the user experience. Third Party 1 year
ev_sync_ax
ev_sync_bk
ev_sync_dd
ev_sync_enc
ev_sync_fs
ev_sync_ix
ev_sync_nx
ev_sync_ox
ev_sync_pm
ev_sync_rc
ev_sync_yh
 
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 Session
GCL_AW_P Used by Google Ads to provide ad delivery or retargeting Third Party 89 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 1 year
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 1 year
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 1 year
khaos, khaos_p These cookies are set by Rubicon Project. They are used to store user data in an anonymous form such as the IP address, geographical location, websites visited, and the ads clicked. The purpose of the cookie is to tailor the ads displayed to the users based on the users movement on other site in the same ad network. Third Party 1 year
KRTBCOOKIE_XXXX This cookie is used to correlate IDs with those of Pubmatic partners (such as demand side platform clients or other advertising technology companies). Pubmatic passes information stored by the partner in this cookie to the partner when it is considering whether to purchase advertisements. This enables the partner to make better decisions about whether to display an advertisement to you. Third Party 2 months
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 727 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
mako_uid A third-party cookie that is associated with Eyeota, a company that specializes in audience data for targeted advertising. The cookie is used to improve the relevance of advertisements, personalize online ads, and track user behaviour. Third Party 1 year
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
mgref, mgrefby These cookies are set by Eventbrite to deliver content tailored to the end user's interests and improve content creation. Third Party 1 year
MR This cookie, set by Bing, is used to collect user information for analytics purposes. Third Party 6 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 389 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
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
PUBMDCID Cookie set by Pubmatic to detect a unique ID that identifies the user's device on recurring visits across websites that use the same ad network. The ID is used to target ads. Third Party A few seconds
PugT Cookie set by Pubmatic to track user activity on websites in order to deliver relevant ads and measure the effectiveness of advertising campaigns.  Third Party 1 month
pxrc This cookie is set by Live Ramp. It is used to identify a visitor and to serve advertisements more likely to match that user's interests based on their browsing history. Third Party 1 month
qcSxc The qcSxc cookie is a third-party cookie that stores whether a visitor has accepted or rejected cookies on a website. It communicates the visitor's consent preferences with Google Tag Manager. Third Party 391 days
receive-cookie-deprecation The receive-cookie-deprecation cookie helps ensure that browsers in an experiment group include the Sec-Cookie-Deprecation request header when it becomes available. This is done to prepare for the phasing out of third-party cookies in Chrome browsers. Third Party 2 months
rlas3 This cookie is set by Live Ramp and is used to serve relevant ads to the visitor as well as limit the time the visitor sees an ad and also measure the effectiveness of the campaign. Third Party 1 year
sa-user-id, sa-user-id-v2, sa-user-id-v3 These cookies are set by StackAdapt, a digital marketing company. They are used to track visitors on multiple websites to present relevant advertisements based on the visitor's preferences. Third Party 1 year
SERVERID Cookie set by Eyeota, a global company specialising in audience data to enable better ad targeting. Third Party A few seconds
SS A Same-site cookie, or SS cookie, is a type of HTTP cookie that helps prevent cross-site request forgery (CSRF) attacks. It works by allowing browsers to send cookies with requests to a target domain, but only for safe requests and not third-party cookies. Third Party Session
test_cookie Used by Google DoubleClick to determine if the user's browser supports cookies. Third Party A few seconds
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 730 days
tvid Cookie set by Tremor Video, used to identify a returning user's device and target them with relevant advertisements. Third-party advertisement hubs use TVID cookies to facilitate real-time bidding for advertisers. Third Party 364 days
tv_UIDM Cookie set by Tremor Video for purpose of targeting users with relevant advertisements.  Third Party 730 days
UserMatchHistory Cookie used by LinkedIn for advertisement analytics. Third Party 30 days
uid This cookie is set by Turn, an 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 A cookie set by YouTube that stores the user's cookie consent state for the current domain. Third Party 179 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 1 year
XANDR_PANID This cookie is set by AppNexus Inc. It registers data on the visitor and uses such information to optimize advertisement relevance. Third Party 2 months
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