| Name | Description | Expiration |
|---|---|---|
| ac_enable_tracking | Set by ActiveCampaign to record that the visitor has consented to site tracking. Once set, it triggers ActiveCampaign's site tracking functionality, which monitors page visits and helps attribute enquiries and conversions to marketing activity. | 30 days |
| Name | Description | Expiration |
|---|---|---|
| adiV, adiErr | Set by AdInsight to store a unique identifier for the visitor's browser. Used to recognise returning visitors across multiple visits and track their journey through the site, enabling AdInsight to attribute phone calls and enquiries to the correct marketing source. | 1 year |
| Name | Description |
|---|---|
| lidc, UserMatchHistory |
| Name | Description |
|---|---|
| apexchat_visitor_id | Set by ApexChat to assign a unique identifier to the visitor, generated server-side. Used to distinguish visitors from one another and maintain continuity of the chat session across pages. More information from ApexChat. |
| apexchat_profile_id | Set by ApexChat to determine which configuration of chat invitation should be displayed to the visitor. |
| apexchat_invitation_shown | Set by ApexChat to record whether the chat invitation has been shown to the visitor at least once, preventing it from being displayed repeatedly. |
| apexchat_operator_id | Set by ApexChat to store the identifier of the chat agent assigned to the visitor when operating in SaaS operator mode. |
| apexchat_agent_alias_id | Set by ApexChat to record which agent has been selected to handle the chat invitation for the visitor. |
| Name | Description | Expiration |
|---|---|---|
| _uetsid | Set by Microsoft Advertising's Universal Event Tracking (UET) tag to identify the visitor's current session. Used to track conversions and events, such as page visits and form submissions, and attribute them to Microsoft Advertising campaigns. | 24 hours |
| _uetvid | Set by Microsoft Advertising's Universal Event Tracking (UET) tag to store a unique anonymous visitor ID across sessions. Used to recognise returning visitors and support remarketing and conversion attribution across Microsoft Advertising campaigns. | 1 year |
| Name | Description |
|---|---|
| _CAN_BId | Set by CANDDi to assign a unique identifier to the visitor's browser. Used to recognise returning visitors and build a profile of their activity on the site over time. |
| _CAN_SId | Set by CANDDi to identify the visitor's current session. Used alongside _CAN_BId to track activity within a single visit and transmit data to the CANDDi platform. |
| Name | Description | Expiration |
|---|---|---|
| calltrk_landing | Set by CallRail to record the landing page URL of the visitor's first visit. Used to attribute phone calls and form submissions to the marketing campaign or page that originally brought the visitor to the site. | 1 year |
| calltrk_referrer | Set by CallRail to record the referring source of the visitor's first visit, such as a search engine, paid ad, or external website. Used alongside calltrk_landing to provide full marketing attribution for calls and form submissions. | 1 year |
| calltrk_session_id | Set by CallRail to identify the visitor's current session and assign them a dynamically generated tracking phone number. This allows calls made during the session to be attributed to the correct marketing source. | 1 year |
| Name | Description |
|---|---|
| all_xxxxxxxxxxxxxxxxxxxxx-site_visit_time all_xxxxxxxxxxxxxxxxxxxxx-visit_count | Live chat feature. More information from ClickDesk |
| Name | Description | Expiration |
|---|---|---|
| __cf_bm | Set by Cloudflare to distinguish legitimate visitors from automated bots. Contains an encrypted bot score used by Cloudflare's bot detection system. A separate cookie is generated for each site visited and cannot be used to track visitors across sites. | 30 minutes |
| _cfuvid | Set by Cloudflare to distinguish individual visitors who share the same IP address, such as users on a shared network. Used to apply rate limiting rules accurately without affecting legitimate visitors. | Session (deleted when the browser is closed) |
| Name | Description | Expiration |
|---|---|---|
| _ce.s | Set by Crazy Egg to track a unique session ID for visitor recordings, including the tracking host and session start time. Used to generate heatmaps and session recordings that help us understand how visitors interact with the site. More information from Crazy Egg. | 1 year |
| _ceir | Set by Crazy Egg to track whether the visitor has been to the site before, distinguishing new visitors from returning ones. | 1 year |
| _CEFT | Set by Crazy Egg to store which page variants have been assigned to the visitor for A/B testing purposes. | 1 year |
| cec | Set by Crazy Egg to record the visitor's cookie consent preferences. | 1 year |
| Name | Description | Expiration |
|---|---|---|
| IDE | Set by Google (via doubleclick.net) to build a profile of the visitor's interests and show relevant ads across websites. Used by Google's advertising products including Campaign Manager and Display & Video 360. | 13 months (UK) |
| DSID | Set by Google (via doubleclick.net) to identify a signed-in user and remember their ad personalisation preferences across Google products and partner sites. | 2 weeks |
| NID | Set by Google to store visitor preferences and support ad personalisation on Google services, including Search. | 6 months |
"Essential" cookies let you move around the website and use essential features like secure areas and online billing. These cookies don't gather any information about you that could be used for marketing or remembering where you've been on the internet.
| Name | Description | Expiration |
|---|---|---|
| Apache | This cookie is set to provide a unique identification of the User and is passed back to the server with each subsequent request. The cookie allows us to distinguish between requests from multiple Users vs. multiple requests from the same User. The information is used by many features of the Content Management System as well as the systems responsible for protecting the website from abuse (e.g. a Denial of Service attack). | one "session" (i.e. until the browser is closed) |
| cookie_option_shown | This cookie controls whether the "privacy options" tab has been shown to the User. The tab appears only once per session on the first page that the User lands on. | one "session" (i.e. until the browser is closed) |
| privacy_preference | This cookie is set to record the fact that a User has opted to disable cookies. | 1 year from set/update. |
| privacy_cookie_status | This cookie is set to record the fact that a User has opted to enable cookies. | 1 year from set/update. |
| cms_device | This cookie detects what type of device is being used so that the user experience can be tailored accordingly. | 6 months from set/update. |
| Name | Description |
|---|---|
| _fbp, fr | Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. |
| lastExternalReferrer, lastExternalReferrerTime | Detects how the user reached the website by registering their last URL-address. |
| Name | Description | Expiration |
|---|---|---|
| _gcl_au | Set by Google on this domain to store ad click information in a first-party cookie so that conversions can be attributed to the ad that brought the visitor to the site, to support remarketing audience building, and to measure the effectiveness of advertising campaigns. | 90 days |
We use Google Ads to display advertisements to you when you are visiting other websites, and to measure the performance of our advertising campaigns. The cookies listed below are set either on this domain or on Google's domains. For more information see Google's Privacy & Terms.
| Name | Description | Expiration |
|---|---|---|
| IDE | Set by Google on doubleclick.net to measure and track ad performance on non-Google websites, including conversion tracking and limiting how often the same ad is shown to the same user. | 13 months (EEA/UK) |
| DSID | Set by Google on doubleclick.net to identify a signed-in user across non-Google sites, so that their ad personalisation settings are applied consistently. | 2 weeks |
| __gads | Set on this domain by Google to enable ads to be displayed and to measure interactions with those ads, including preventing the same ad from being shown too many times. | 13 months |
| _gac_<property-id> | Set when Google Analytics and Google Ads are linked. Stores ad click information and is used to measure the performance of advertising campaigns. | 90 days |
We use Google Analytics 4 to understand how visitors use our website. It sets first-party cookies that assign each browser a randomly generated client ID, so that we can measure visits, sessions and the general performance of the site. This client ID does not tell us your name or contact details, but it is treated as personal data under UK data protection law and is only set with your consent. For more information see Google's Privacy & Terms.
| Name | Description | Expiration |
|---|---|---|
| _ga | Set by Google Analytics 4 to distinguish users by assigning a randomly generated client ID. Used to calculate visitor, session and campaign data. | 2 years (browsers commonly cap first-party cookies at around 13 months, so the effective lifespan is often shorter) |
| _ga_<container-id> | Set by Google Analytics 4 to persist session state for this property, so that page views within a single visit are grouped into one session. | 2 years (similarly capped in practice) |
| _gid | Set by Google Analytics 4 to distinguish users on a daily basis by assigning a randomly generated client ID. Used to measure engagement time and session data. Present on some configurations only. | 24 hours |
| _gat_gtag_<id>, _dc_gtm_<GTM-id> | Set by Google to throttle the rate at which requests are made. Present on some configurations only. | 1 minute |
| Name | Description | Expiration |
|---|---|---|
| gwcc | Set by Google to track call conversions from visitors who arrive via a Google Ads campaign. When a visitor clicks through from a Google Ad, a forwarding number is displayed on the site and this cookie links any subsequent call to the originating ad, enabling Google Ads call conversion reporting. | 2 months |
| Name | Description | Expiration |
|---|---|---|
| _hjSessionUser_{site_id}, _hjid | Set by Hotjar to assign a unique identifier to the visitor. Used to recognise returning visitors across sessions and ensure that behavioural data from multiple visits is attributed to the same user. More information from Hotjar. | 365 days |
| _hjSession_{site_id}, _hjAbsoluteSessionInProgress | Set by Hotjar to hold current session data and detect the first page view of a session. Ensures that activity within a session window is grouped together and attributed correctly. | 30 minutes |
| _hjIncludedInPageviewSample, _hjIncludedInSessionSample | Set by Hotjar to determine whether the visitor falls within the data sampling limits configured for the site. Used to control how much data is collected relative to the site's plan. | 30 minutes |
| _hjFirstSeen | Set by Hotjar to identify whether this is the visitor's first session on the site. Used to filter recordings by new versus returning users. | Session |
| _hjViewportId | Set by Hotjar to store the visitor's viewport size and dimensions. Used to correctly render session recordings and heatmaps. | Session |
| _hjSessionTooLarge, _hjSessionRejected, _hjSessionResumed | Set by Hotjar to manage the connection between the visitor's browser and Hotjar's servers. Used to handle session size limits, server capacity, and reconnections mid-session. | Session |
| _hjUserAttributesHash, _hjCachedUserAttributes | Set by Hotjar to cache visitor attributes passed via the Hotjar Identify API. Used to detect when attributes have changed and to store them temporarily for use with Hotjar Feedback tools. | Session |
| _hjClosedSurveyInvites, _hjDonePolls, _hjMinimizedPolls, _hjShownFeedbackMessage | Set by Hotjar to remember how the visitor has interacted with Hotjar surveys and feedback widgets. Prevents the same survey or widget from reappearing after it has been completed, dismissed, or minimised. | 365 days |
| _hjLocalStorageTest, _hjTLDTest | Set by Hotjar briefly on page load to test browser storage capabilities and determine the correct cookie domain to use across subdomains. Both are deleted almost immediately after being created. | Under 100ms / Session |
| Name | Description | Expiration |
|---|---|---|
| hubspotutk | Set by HubSpot to keep track of a visitor's identity across sessions. Contains an anonymous identifier used to deduplicate contacts when a form is submitted. More information from HubSpot. | 6 months |
| __hstc | Set by HubSpot as the main visitor tracking cookie. Stores the visitor's identity, initial visit timestamp, last visit timestamp, current visit timestamp, and session count. More information from HubSpot. | 6 months |
| __hssc | Set by HubSpot to keep track of sessions. Stores the domain, page view count within the session, and session start timestamp, used to determine whether to increment the session count in __hstc. More information from HubSpot. | 30 minutes |
| __hssrc | Set by HubSpot to determine whether a visitor has restarted their browser since their last visit. If absent when HubSpot processes cookies, the visit is treated as a new session. More information from HubSpot. | Session (deleted when the browser is closed) |
| Name | Description |
|---|---|
| __ctmid | These cookies are used to collect data about how visitors use our site. More information from Imaginatik |
| Name | Description | Expiration |
|---|---|---|
| IQver | Set by Intent IQ to store a version identifier for their identity resolution technology. Used as part of Intent IQ's device identification system, which helps match visitors across browsers and devices to enable more relevant advertising. | 13 months |
| Name | Description |
|---|---|
| AWSALB, XSRF-TOKEN, laravel_session | More information from Leadformly |
| Name | Description |
|---|---|
| ljt_reader | Collects data related to reader interests, context, demographics and other information on behalf of the Lijit platform. |
| Name | Description |
|---|---|
lang, lidc, lissc, bcookie, UserMatchHistory | We use the LinkedIn Insight Tag to track conversions, retarget website visitors, and unlock additional insights about members interacting with our LinkedIn advertising. |
| Name | Description | Expiration |
|---|---|---|
| _cc_id | Set by Lotame, a data management platform, to assign a unique identifier to the visitor's browser. Used to collect anonymous data about the visitor's website activity across sites for audience profiling and targeted advertising purposes. | 9 months |
| _cc_aud | Set by Lotame to store audience segment data associated with the visitor. Used to categorise the visitor into interest-based groups to enable more relevant advertising. | 9 months |
| _cc_dc | Set by Lotame to record which data centre the visitor's profile originated from. Used for routing and consistency purposes in Lotame's international infrastructure. | 9 months |
| _cc_cc | Set by Lotame to collect anonymous session data about the visitor's website activity, including number of visits and pages viewed. | Session |
| Name | Description | Expiration |
|---|---|---|
| lo-uid | Set by Lucky Orange to assign a unique identifier to the visitor. Used to link sessions, events, and chat conversations to a single visitor across visits to the site. Lucky Orange is a behaviour analytics tool that provides heatmaps, session recordings and visitor tracking to help improve website usability. | 2 years |
| lo-visits | Set by Lucky Orange to count the number of separate sessions the visitor has had on the site. Displayed as the visitor's "Visit #" within the Lucky Orange dashboard. | 2 years |
| lo-opt-out | Set by Lucky Orange if the visitor has opted out of tracking. Prevents the Lucky Orange tracking script from running for that visitor. | 2 years |
| lo-domain-check | Set by Lucky Orange briefly on page load to identify the top-level domain to use for cookies. Deleted immediately after the check is complete. | Immediate |
| Name | Description | Expiration |
|---|---|---|
| _clck | Set by Microsoft Clarity to store a unique visitor ID and preferences. Used to recognise returning visitors and ensure their activity is attributed to the same user across visits. Microsoft Clarity provides heatmaps and session recordings that help us understand how visitors interact with the site. More information from Microsoft Clarity. | 1 year |
| _clsk | Set by Microsoft Clarity to connect multiple page views within a single visit into one session recording. | 1 day |
| CLID | Set by Microsoft Clarity to record the first time Clarity encountered the visitor on any site using Clarity. | 1 year |
| MUID | Set by Microsoft to assign a unique identifier to the visitor's browser. Used across Microsoft sites for analytics, advertising and other operational purposes. | 1 year |
| MR | Set by Microsoft to indicate whether the MUID cookie should be refreshed. | 7 days |
| ANONCHK | Set by Microsoft to indicate whether the MUID is transferred to Microsoft's advertising cookie. Clarity always sets this to 0, meaning no such transfer takes place. | 10 minutes |
| SM | Set by Microsoft to synchronise the MUID cookie across Microsoft domains. | Session |
| Name | Description | Expiration |
|---|---|---|
| _AVESTA_ENVIRONMENT | Set by Mailchimp when a visitor interacts with Mailchimp-hosted content on the site, such as a newsletter signup form. Used by Mailchimp's infrastructure to identify the server environment handling the request. More information from Mailchimp. | Session |
| MCPopupClosed, MCPopupSubscribed | Set by Mailchimp if the site uses a Mailchimp popup signup form. Used to remember whether the visitor has already closed or completed the popup, preventing it from reappearing. Present on some configurations only. | 1 year |
| mc_cid, mc_eid, mc_landing_site, mc_tc | Set when a visitor arrives at the site by clicking a link in a Mailchimp email campaign. Used to track which campaign brought the visitor to the site and to attribute any resulting e-commerce activity to that campaign. Present on some configurations only. | 14 days |
| Name | Description | Expiration |
|---|---|---|
| uid | Set by Marchex to assign a unique identifier to the visitor's browser. Used as part of Marchex's call tracking and dynamic number insertion technology, which replaces the phone number displayed on the site with a tracking number to attribute calls to their originating marketing source. | 1 year |
| Name | Description | Expiration |
|---|---|---|
| MUID, MUIDB | Set by Microsoft to assign a unique identifier to the visitor's browser. Used across Microsoft sites and services for analytics, advertising and other operational purposes, including by Microsoft Clarity and Microsoft Advertising (Bing Ads). | 1 year |
| Name | Description | Expiration |
|---|---|---|
| MoneypennyHistory | Set by Moneypenny to keep a record of the visitor's previous visits and chat transcripts. Used to show the chat agent the visitor's recent conversation history, enabling faster and more contextual responses. More information from Moneypenny. | 1 year |
| MoneypennyRef | Set by Moneypenny to record the URL the visitor arrived from and their entry point to the site. Used to give the chat agent context about where the visitor came from before the chat begins. | 2 hours |
| MoneypennyVisit | Set by Moneypenny to track the number of times the visitor has visited the site. Used to distinguish new from returning visitors, which can trigger different proactive chat messages. | Session |
| MoneypennyUserAlias | Set by Moneypenny to store the visitor's name once it has been collected during a chat. Used to pre-populate name fields in subsequent chats so the visitor does not need to provide the same information again. | 1 year |
| MoneypennyUserEmail | Set by Moneypenny to store the visitor's email address once it has been collected during a chat. The address is stored in scrambled form. Used to pre-populate email fields in subsequent chats. | 1 year |
| Name | Description | Expiration |
|---|---|---|
| ngageId | Set by Ngage to assign a unique identifier to the visitor's browser. Used to recognise returning visitors across sessions as part of Ngage's live chat service, which provides human-operated chat on the site. More information from Ngage. | 5 years |
| ngageFirstVisit | Set by Ngage to record whether this is the visitor's first visit to the site. Used to tailor chat engagement, for example by greeting new and returning visitors differently. | 1 year |
| ASP.NET_SessionId | Set by Ngage's chat servers to maintain the visitor's anonymous session while a chat is in progress. Standard session management cookie used by Microsoft .NET-based applications. | Session |
| BIGipServerngagescript-web_POOL | Set by the F5 BIG-IP load balancer used in Ngage's infrastructure to ensure the visitor's requests during a chat session are consistently routed to the same server. | Session |
| Name | Description | Expiration |
|---|---|---|
| i | Set by OpenX, an independent programmatic advertising exchange, to assign a unique identifier to the visitor's browser. Used to build a profile of the visitor's interests across websites and serve targeted advertising through OpenX's ad network. More information from OpenX. | 5 years |
| Name | Description |
|---|---|
| PPWCTRK | Set by Perfect Portal to track which version of the quote calculator is being used. Required for the calculator to function correctly. Perfect Portal is a legal technology platform that provides conveyancing quote calculators and client onboarding tools for law firms. More information from Perfect Portal. |
| Pplsid | Set by Perfect Portal to record the advertising source that brought the visitor to the site. Used to attribute enquiries made through the quote calculator to the correct marketing campaign. |
| Name | Description |
|---|---|
| _dbefe | Set by PulsePoint, a programmatic advertising platform, to assign a unique identifier to the visitor's browser. Used to build a profile of the visitor's browsing behaviour across websites in order to serve targeted advertising through PulsePoint's ad exchange network. More information from PulsePoint. |
| Name | Description |
|---|---|
| m-b | Quora is a question-and-answer site where questions are asked, answered, edited, and organized by its community of users. |
| Name | Description | Expiration |
|---|---|---|
| rs_tracking_id | Set by ReviewSolicitors to track referrals and activity originating from the firm's profile on the ReviewSolicitors platform. Used to attribute visits and enquiries back to the embedded widget. More information from ReviewSolicitors. | 180 days |
| Name | Description | Expiration |
|---|---|---|
| __racnt | Set by Ruler Analytics to identify unique visitors and track which marketing source brought them to the site. Updated with each page view to attribute enquiries and conversions to the correct marketing channel. More information from Ruler Analytics. | Up to 3 years |
| __rasesh | Set by Ruler Analytics to store a unique session identifier, used to associate a visitor's activity across pages within a visit. More information from Ruler Analytics. | Up to 2 years |
| __rafm, __rasel*, __racplx*, __ratel* | Set by Ruler Analytics to power dynamic telephone number replacement. Each cookie stores information about the visitor's marketing source, the phone number pool assigned to that source, and the page elements to be replaced. This allows calls made through the website to be attributed to the marketing channel that drove the visit. More information from Ruler Analytics. | Session |
| Name | Description | Expiration |
|---|---|---|
| UID, UIDR | Set by ScorecardResearch, a service operated by comScore, to assign an anonymous unique identifier to the visitor's browser. Used to measure audience behaviour and traffic patterns across participating websites as part of comScore's internet market research. More information from ScorecardResearch. | 2 years |
| Name | Description | Expiration |
|---|---|---|
| uid | Set by Simpli.fi, a programmatic advertising platform, to assign a unique identifier to the visitor's browser. Used to build a profile of the visitor's browsing behaviour across websites in order to serve targeted advertising. More information from Simpli.fi. | Up to 1 year |
| uid_syncd | Set by Simpli.fi to record that the visitor's unique identifier has been synchronised with Simpli.fi's advertising technology partners, enabling consistent targeting across multiple ad platforms. | Up to 1 year |
| Name | Description |
|---|---|
| SERVERID, bscookie, _uv_id, language |
| Name | Description | Expiration |
|---|---|---|
| S*_* | Set by SmartSurvey to keep track of which surveys the visitor has already completed, used to prevent multiple responses where that restriction has been enabled on a survey. The cookie name includes a unique survey identifier, so the exact name varies per survey. SmartSurvey is a UK-based digital survey platform used to embed surveys on client websites. More information from SmartSurvey. | 1 year |
| ASP.NET_SessionId | Set by SmartSurvey to maintain an anonymous session for the visitor while they are completing a survey, allowing their progress to be tracked across pages. | 2 hours |
| SERVERID | Set by SmartSurvey's load balancer to ensure the visitor's requests during a survey session are consistently routed to the same server. | Session |
| Name | Description |
|---|---|
| audience | Set by SpotX, a programmatic video advertising platform to synchronise audience data between buyers and sellers in the ad exchange. Used to enable targeted video advertising across desktop, mobile and connected TV devices. |
| Name | Description |
|---|---|
| guest_id, personalization_id, lang |
| Name | Description |
|---|---|
| vuid | These cookies are used by the Vimeo video player on websites. |
| Name | Description | Expiration |
|---|---|---|
| *.vuture.net_VxSessionId | Set by Vuture, an email marketing and communications platform used by the firm, to track the visitor's session during a website visit. Used to measure responses to marketing campaigns and deliver a personalised experience. The cookie name includes a subdomain specific to this firm's Vuture account. | Session |
| intEmailHistoryId | Set by Vuture to link a visitor's arrival on the website to a specific email campaign they clicked through from, connecting their email marketing journey with their subsequent website activity. | 1 year |
| Name | Description |
|---|---|
| ab | Set by Aggregate Knowledge, a data management platform operated by Neustar (now part of TransUnion), to assign a unique identifier to the visitor's browser. Used to build a profile of the visitor's browsing behaviour across websites for targeted advertising purposes. |
| Name | Description |
|---|---|
| AA003, ATN | ATDMT is a tracking cookie[1] served by Facebook subsidiary Atlas Solutions[2] and is used as a third-party cookie by several websites. The cookie originates from the domain atdmt.com which is owned by Atlas. |
| Name | Description |
|---|---|
| __comm100_guid2* | Set by Comm100 to assign a unique identifier to the visitor's browser. Used to recognise returning visitors and maintain continuity of the chat session as they navigate across pages of the site. |