These are the cookies we use across Monzo’s websites. To choose which ones we can use, visit our cookie notice.
Required cookies
This trusty cookie is a must for our website to work and keep you safe and secure. Need we say more?
| Cookie | Expires | Used to |
|---|---|---|
| __cf_bm Cloudflare | After 30 minutes | support Cloudflare bot management |
| __monzo_locale_v1__ Monzo | After 7 days | To store the locale code we determined for the visitor |
| _cfduid Cloudflare | After 30 days | The _cfduid cookie helps Cloudflare detect malicious visitors to it's customer's websites and minimizes blocking legitimate users. It may be placed on the devices of Cloudfare's customers' End Users to identify individual clients behind a shared IP address and apply security settings on a per-client basis. It is necessary for supporting Cloudflare's security features. The _cfduid cookie collects and anonymizes End User IP addresses using a one-way hash of certain values so they cannot be personally identified. The _cfduid cookie does not: allow for cross-site tracking, follow users from site to site by merging various _cfduid identifiers into a profile, or correspond to any user ID in a Customer’s web application. |
| _cookie_ad_personalization_accepted Monzo | After 30 days | Track if you’ve consented to advertising personalisation cookie tracking or not. |
| _cookie_ad_user_data_accepted Monzo | After 30 days | Track if you’ve consented to advertising user data cookie tracking or not. |
| _cookie_advertising_accepted Monzo | After 30 days | This cookie tracks if the user has consented to advertising cookie tracking or not. |
| _cookie_analytics_accepted Monzo | After 30 days | This cookie tracks if the user has consented to analytics cookie tracking or not. |
| _cookie_functionality_storage_accepted Monzo | After 30 days | Track if you’ve consented to optional functional cookie tracking or not. |
| _cookie_marketing_accepted Monzo | Persistent | Used to store users consent preferences |
| _cookie_personalisation_accepted Monzo | After 30 days | This cookie tracks if the user has consented to personalisation cookie tracking or not. |
| _cookies_banner_dismissed Monzo | After 30 days | This cookie is used to hide / show the cookie consent banner. |
| cookies_accepted Monzo | After 30 days | This cookie tracks if the user has consented to cookie tracking or not. |
| dismissedCallout* Monzo | Persistent | Tracking when specific UI elements (callouts) have been closed by the user |
| locale-banner-dismissed Monzo | After the browser session ends | To dismiss the locale banner on monzo.com |
| monzo_web_test Monzo | Persistent | Used to validate browser compatibility, and deleted immediately |
| monzo_web_test Monzo | After the browser session ends | Used to determine browser compatibility; deleted immediately after setting |
| x-location Monzo | After the browser session ends | We use this cookie to identify the users location and serve appropriate content (UK vs US). Used for analytics only if you have accepted analytics cookies. |
Analytics cookies
The science-y sounding cookie that’s interested in what you do on our website. Where you came from, what pages you visit and for how long.
| Cookie | Expires | Used to |
|---|---|---|
| _cookie_survey_taken Monzo | After 7 days | Boolean flag recording whether a you have taken a qualtrics survey. Used to hide the survey button if a survey has been taken. |
| _ga Google Analytics | After 2 years | This cookie is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the sites analytics reports. We use the information these cookies generate to compile reports and to help us improve the website. The cookies collect information in a way that does not directly identify anyone, including the number of visitors to the website and blog, where visitors have come to the website from and the pages they visited. |
| _ga_* | After 2 years | _ga_<container-id> Used to persist session state. |
| _gaexp Google Optimize | After 90 days | This cookie is used to serve content experiments on our website. From time to time, we will be showing different users a different landing page experience, in order to measure how they react to the new variables (be it text, colours, or imagery). |
| _gat Google Analytics | After 10 minutes | This cookie is. used to throttle the request rate - limiting the collection of data on high traffic sites. |
| _gid Google Analytics | After 15 hours | This cookie is used to track users as they navigate the website and help improve the website's usability. |
| _hjid Hotjar | Persistent | This cookie is set when the customer first lands on a page with the Hotjar script. It is used to persist the random user ID, unique to that site on the browser. This ensures that behavior in subsequent visits to the same site will be attributed to the same user ID. |
| _hjSessionUser_* Hotjar | After 1 year | Used to store a unique identifier. |
| analytics_current_lifecycle Monzo | After the browser session ends | Track current visibility of monzo tabs |
| analytics_session_id Monzo | Persistent | Track the length of the current session |
| analytics_tab_id Monzo | After the browser session ends | Identify different monzo browser tabs for tracking |
| anon_id Monzo | After 7 days | Unique, randomly generated identifier, used to understand and improve the website. |
| firstVisit Monzo | After 7 days | Timestamp of when a user visited the site with tracking params |
| mondoAnalytics_accessToken Monzo | Persistent | Used to authenticate data sent to Monzo's analytics platform |
| mondoAnalytics_sessionId Monzo | Persistent | Analytics cookie used to distinguish unique visitors |
| optimizely_data$$pending_events Optimizely | Persistent | Storage of XMLHttpRequest information, enabling the snippet to reliably send requests (e.g., to the Event API) even if the visitor navigates to a new page while a request is in progress. |
| optimizelyBuckets Optimizely | Persistent | to store ID's of experiments and sessions for A/B testing. |
| optimizelyData$$*$$*$$event_queue Optimizely | Persistent | Stores event instances that are waiting to be added to the previous ...$$events key. |
| optimizelyData$$*$$*$$events Optimizely | Persistent | Stores event instances that describe actions the visitor has taken on your website. |
| optimizelyData$$*$$*$$session_state Optimizely | Persistent | Tracks the session identifier and timestamp, which helps Optimizely identify sessions for analytics purposes. |
| optimizelyData$$*$$*$$tracker_optimizely Optimizely | Persistent | Temporary storage for the batched sending of events to the Optimizely X Event API. |
| optimizelyData$$*$$*$$variation_map Optimizely | Persistent | Records the variation that the visitor has seen for each experiment. This allows us to deliver a consistent experience on successive page loads. |
| optimizelyEndUserId Optimizely | Persistent | This cookie stores a visitor's unique Optimizely identifier. It's a combination of a timestamp and random number. No other information about you or your visitors is stored inside. |
| optimizelySegments Optimizely | Persistent | to store ID's of experiments and sessions for A/B testing. |
| siblingScreen_* Monzo | After the browser session ends | Persist information about previous Monzo page before the current tab |
| utmParams Monzo | After 7 days | This cookie stores UTM tracking parameters. |
| visitor_id* Pardot | After 12 months | Pardot tracking cookie used to identify visitors |
| visitor_id*hash Pardot | After 12 months | Pardot (Salesforce) cookie used to track visitors. |
Advertising cookies
What’s worse than ads? Irrelevant ads. We follow your trail of virtual cookie crumbs to show you more interesting ads and marketing.
| Cookie | Expires | Used to |
|---|---|---|
| __ga_5TD64ET6CX | Persistent | Distinguishes users across sessions for analytics |
| __ga_G5L4KNC814 | Persistent | Distinguishes users across sessions for analytics |
| __Secure-1PAPISID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| __Secure-1PSID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| __Secure-1PSIDCC | After 1 year | Manages your consent status for Google's own sites and services. |
| __Secure-1PSIDTS | After 1 year | Contains a timestamp for session management on Google's own sites. |
| __Secure-3PAPISID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| __Secure-3PSID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| __Secure-3PSIDCC | After 1 year | Manages your consent status across different websites that use Google services. |
| __Secure-3PSIDTS | After 1 year | Contains a timestamp for tracking interactions across third-party websites. |
| __Secure-ENID | After 1 year | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| __spdt Spotify | After the browser session ends | Analyse user interaction on site that audio listeners take after hearing or seeing an ad. |
| __spdt Spotify | After 1 year | Analyse user interaction on site that audio listeners take after hearing or seeing an ad. |
| __ssid | Persistent | User behavior identification for advertising |
| __widgetsettings | Persistent | This cookie collects data on user behaviour and interaction in order to optimize the website and make advertisement on Twitter more relevant. |
| _cltk Bing | After the browser session ends | A randomly generated session token used by Bing (Microsoft) to link pageviews and events within a single browsing session. |
| _fbc | After 2 years | Used to store last visit. |
| _fbp | After 90 days | This cookie is used by FB to identify browsers for the purposes of providing advertising and site analytics services. |
| _gac_* | After 90 days | Used to store & track audience reach. |
| _gcl_au | After 90 days | Used to link Google advertisements to conversions made. |
| _gcl_aw | After 90 days | Used to provide ad delivery / targeting. |
| _gcl_gs | Persistent | Used by google ads to store and track conversions |
| _gcl_ls | Persistent | understand user interaction with the website by generating analytical data. |
| _gd_session 6Sense | After 4 hours | 6sense uses this cookie for collecting information on users' visits such as the total number of visits, average time spent on the website, and pages loaded |
| _gd_visitor 6Sense | After 2 years | 6sense uses this cookie for collecting information on the user's visit such as the number of visits, average time spent on the website, and the pages loaded for displaying targeted ads |
| _ScCbts Snapchat | Persistent | This cookie is used by Snapchat for targeted advertising purposes |
| _schn Snapchat | After the browser session ends | This cookie comes from the Snapchat pixel, and used to attribute traffic. |
| _schn* Snapchat | Persistent | This cookie comes from the snapchat pixel, and used to attribute traffic. |
| _scid Snapchat | After 1 year | This cookie comes from the Snapchat pixel, and used to attribute traffic. |
| _scid_r Snapchat | Persistent | sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. |
| _screload Snapchat | After the browser session ends | Temporary reload or debug cookie |
| _scsrid Snapchat | After the browser session ends | To store the session ID for identifying interactions in the current session. |
| _sctr Snapchat | After 1 year | Used to determine whether a third party tag will be called in a Snap Ads Pixel. |
| _tt_enable_cookie TikTok | After 13 months | Used to store TikTok tracking with cookie state. |
| _ttp TikTok | After 13 months | To measure and improve the performance of advertising campaigns and to personalize the customer experience (including ads) on TikTok. |
| _uetsid Microsoft | Persistent | session ID set by microsoft for ad tracking |
| _uetsid Microsoft | After 1 day | session ID set by microsoft for ad tracking |
| _uetsid_exp Microsoft | Persistent | Contains the expiry-date for the cookie with corresponding name _uetsid |
| _uetvid Microsoft | Persistent | store a unique, anonymized visitor ID, representing a unique visitor for advertising tracking |
| _uetvid Microsoft | After 1 year | store a unique, anonymized visitor ID, representing a unique visitor for advertising tracking |
| _uetvid_exp Microsoft | Persistent | store a unique, anonymized visitor ID, representing a unique visitor for advertising tracking |
| 6sUUID 6Sense | After 2 years | 6sense uses this cookie for collecting information on users' visits such as the total number of visits, average time spent on the website, and pages loaded |
| AnalyticsSyncHistory | After 30 days | Used to store information about the time a sync took place with the |
| APISID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| AR_Debug Google (DoubleClick) | Persistent | Enables attribution‑reporting debug output during Privacy Sandbox experiments. |
| bcookie | After 1 year | Browser Identifier cookie to uniquely identify devices accessing LinkedIn to detect abuse on the platform and diagnostic purposes. |
| csrf_token | Persistent | Ensures that requests made to Reddit's servers are coming from an authenticated, trusted source |
| csv | Persistent | Controls which version/redesign of Reddit’s interface is served if widgets are applied across the site. |
| datr | After 2 years | A unique identifier for your browser that, amongst other things, helps us protect you from fraud. For example, it helps us identify trusted browsers where you have logged in before. The "datr" cookie also helps us to identify the browsers used by malicious actors and to prevent cyber-security attacks, such as a denial of service attack that could prevent you from accessing the Meta Products. |
| dax_listenerid Global DAX | After the browser session ends | Analyse user interaction on site that audio listeners take after hearing or seeing an ad with the help of the DAX Tracking Pixel. |
| dpr | After 1 week | Used to deliver an optimal experience for your device's screen. |
| DSID Google (DoubleClick) | After 14 days | Short‑lived identifier used for ad personalisation/retargeting and to help link activity across Google services when permitted. |
| edgebucket | Persistent | Used by Reddit to deliver advertising |
| fr | After 90 days | Enable Facebook to track your browsing across websites that use a Facebook pixel or social plugin. |
| gt | After 2 hours | This cookie is for external app functionality and authorization |
| guest_id | After 2 years | This cookie is for authentication. Used to identify a user to Twitter. If you do not have a Twitter account or never accessed the Twitter site a unique code will be assigned to track your visit to the Twitter feed. |
| HSID | After 1 year | Contains digitally signed and encrypted records of a user’s Google Account ID and most recent sign-in time |
| IDE Google (DoubleClick) | After 13 months | Ad serving & measurement (frequency capping, rendering, conversion attribution), and ad personalisation when permitted. |
| lang | After the browser session ends | Used to remember a user's language setting to ensure LinkedIn.com displays in the language selected by the user in their settings. |
| lastExternalReferrer | Persistent | Detects how the user reached the website |
| lastExternalReferrerTime | Persistent | Detects how the user reached the website |
| li_adsId | Persistent | Set by the LinkedIn Insight tag for advertising. |
| li_gc | After 6 months | Used to store consent of guests regarding the use of cookies for non-essential purposes. |
| lidc | After 24 hours | To facilitate data center selection. |
| lms_analytics | Persistent | Used by LinkedIn to identify members for analytics. |
| ln_or | After 24 hours | Used to determine if Oribi analytics can be carried out on a specific domain |
| loid | Persistent | This cookie is used by Reddit for targeted advertising purposes |
| lunio_pixel Lunio | After the browser session ends | Using IP adress and timestamp, Lunio seeks to identify invalid traffic/fraudulent activity for all paid marketing channels driving traffic to the website & identifies blockable IPs for future activity |
| lunioSessionUUID Lunio | After the browser session ends | Identify unique user sessions to assess traffic legitimacy |
| MR Bing | After the browser session ends | Used by Microsoft to collect information for advertising. |
| MSPTC Bing | Persistent | registers data on the visitor. The information is used to optimize advertisement relevance |
| muc_ads | After 2 years | Set by twitter.com and used for optimizing ad relevance by collecting visitor navigation data. |
| MUID Bing | Persistent | ID used across many Microsoft domains. Used to track users |
| NID | After 6 months | Used to show Google ads in Google services for signed-out users |
| oo | After 5 years | Helps users opt out of seeing ads from Meta based on your activity on third-party websites. |
| optimizelyData$$*$$*$$layer_map Optimizely | Persistent | Stores bucketing information within mutual exclusion groups. |
| optimizelyData$$*$$*$$layer_states Optimizely | Persistent | Stores bucketing decision (variation and holdback assignment) for each layer in Optimizely X Web & Optimizely Personalization. |
| optimizelyData$$*$$*$$visitor_profile Optimizely | Persistent | Stores the visitor's values for various audience conditions. This is particularly important for "sticky" conditions like Ad Campaign, Source Type, and Referrer for which we need to rely on the first observed value. |
| personalization_id | After 2 years | This cookie is set by Twitter to measure performance of advertising campaigns. |
| receive-cookie-deprecation Google (DoubleClick) | After 180 days | Opt‑in flag used during Chrome’s coordinated third‑party‑cookie deprecation testing to include a special request header; not used for targeting or measurement itself. |
| reddit_session | Persistent | Maintains the user's authenticated session, effectively keeping you logged in across page loads. |
| SAPISID | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| sc_at Snapchat | After 1 year | Used to identify a visitor across multiple domains. |
| session_tracker | Persistent | Tracks session activity and metadata to manage session lifecycle and analytics. |
| SID* | After 1 year | Contains digitally signed and encrypted records of a user’s Google Account ID and most recent sign-in time |
| SIDCC | After 2 years | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| snaptr Snapchat | Persistent | This cookie is used by Snapchat to identify browsers for the purposes of providing advertising and site analytics services. |
| spdt-*.*-* Spotify | Persistent | Analyse user interaction on site that audio listeners take after hearing or seeing an ad. |
| SSID | After 1 year | Used to build a profile of the website visitor's interests in order to show relevant & personalised advertising content. |
| test_cookie Google (DoubleClick) | After 15 minutes | Functional Cookie used by google advertising and analytics platforms |
| theme | Persistent | Controls which version/redesign of Reddit’s interface is served if widgets are applied across the site. |
| token_v2 | Persistent | Ensures that requests made to Reddit's servers are coming from an authenticated, trusted source |
| topicsLastReferenceTime | Persistent | used to make advertisement more relevant |
| trackingParams Monzo | After 7 days | This cookie stores tracking parameters. |
| tt_appInfo TikTok | After the browser session ends | Tracking the use of embedded services. |
| tt_pageId TikTok | After the browser session ends | Tracking the use of embedded services. |
| tt_pixel_session_index TikTok | After the browser session ends | Tracking the use of embedded services. |
| tt_sessionId TikTok | After the browser session ends | Tracking the use of embedded services. |
| tta_attr_id TikTok | After 365 days | Used to measure and improve the performance of advertising campaigns and to personalize the user’s experience (including ads) on TikTok. |
| tta_attr_id_mirror TikTok | After 365 days | Used to measure and improve the performance of advertising campaigns and to personalize the user’s experience (including ads) on TikTok. |
| ttcsid TikTok | After 13 months | To measure and improve the performance of advertising campaigns and to personalize the customer experience (including ads) on TikTok. |
| ttcsid_* TikTok | After 13 months | To measure and improve the performance of advertising campaigns and to personalize the customer experience (including ads) on TikTok. |
| ttq TikTok | Persistent | This cookie is used by TikTok to identify browsers for the purposes of providing advertising and site analytics services. |
| u_sclid Snapchat | Persistent | (no purpose provided — Snapchat) |
| u_sclid_r Snapchat | Persistent | sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. |
| u_scsid Snapchat | After the browser session ends | (no purpose provided — Snapchat) |
| u_scsid_r Snapchat | After the browser session ends | (no purpose provided — Snapchat) |
| UserMatchHistory | After 30 days | Used for id sync process. It stores the last sync time to avoid repeating the syncing process in a frequent manner. |
| usida | After the browser session ends | Collects info on user's browser, as well as unique identifiers in order to tailor advertising. |
| wd | After 1 week | This cookie stores the browser window dimensions and is used by Facebook to optimise the rendering of the page. |
| X-AB Snapchat | Persistent | multi-variate testing |
Functional cookies
These cookies allow optional features to work, but don't track you or your behaviour.
| Cookie | Expires | Used to |
|---|---|---|
| _cookie_country_preferred Monzo | After 10 days | Used alongside x-location cookie to set preferred location and serve appropriate content (UK vs US) |
| AEC | After 6 months | Ensures that requests within a browsing session are made by the user, and not by other sites. |
| affil_utmParams Monzo | After 7 days | This cookie stores affiliate UTM tracking parameters. |
| aws-waf-token Amazon Web Services | After 4 days | support AWS site protection and security |
| CONSENT | After 2 years | Stores a user’s state regarding their cookies choices |
| what-input Monzo | After the browser session ends | Persist input device choice across pages to tailor experience to your device. For example if you are using a keyboard or mouse |
| what-intent Monzo | After the browser session ends | Persist input intent choice across pages to tailor experience to your device. For example if you are moving your mouse |