| Cookie name |
Type |
Purpose |
Expiry |
SE/SDI site cookies
|
| SESDI_Necessary_AllowedCookies |
Strictly necessary |
This cookie is used to record your preferences in regard to accepting marketing, performance or functionality cookies across the site. |
1 year |
| se-session |
Strictly necessary |
This cookie is used to provide secure access to SE website features such as address lookup and form validation/submissions. |
When browser is closed |
| ai_session |
Analytics / performance |
This cookie records an identifier for the duration of the website visit to allow requests across multiple pages to be correlated for error reporting and page load timing analysis |
Session |
| ai_user |
Analytics / performance |
This cookie is used as an identifier to allow multiple visits to be analysed over a one year time period (ie, groups together each ai_session cookie for the same browser & visitor combination) |
1 year |
| ai_authUser |
Analytics / performance |
This cookie is used to associate error and page load timing reports with any authenticated SE services that a visitor may be using (not currently used in SDI) |
1 year |
Google
|
| _ga |
Analytics |
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. Examples of purposes for which a cookie may be used: to distinguish users and sessions. The cookie is updated every time data is sent to Google Analytics. |
Expires after 2 years |
| _gat |
Analytics |
Used to limit the collection of analytics data on high traffic websites. |
Expires after 1 minute |
| _gid |
Analytics |
This cookie is used to distinguish unique users. |
Expires when the browser is closed. |
| _gaexp |
Analytics |
Used to determine a user's inclusion in an experiment and the expiry of experiments a user has been included in. |
Depends on the length of the experiment, but typically 90 days. |
| _gsas |
Advertising |
Used to help improve advertising. This targets advertising based on what's relevant to a user, to improve reporting on campaign performance. |
3 months |
| _gpi |
Advertising |
Used to help improve advertising. This targets advertising based on what's relevant to a user, to improve reporting on campaign performance. |
13 months |
| __gpi_optout |
Advertising |
Used to help improve advertising. This targets advertising based on what's relevant to a user, to improve reporting on campaign performance. |
13 months |
| NID |
Security, Analytics, Functionality, Advertising |
This cookie is used to show Google ads in Google services for signed-out users. |
6 months |
| DSID |
Security, Functionality, Advertising |
This cookie is used to identify a signed-in user on non-Google sites and to remember whether the user has agreed to ad personalization. |
2 weeks |
| test_cookie |
Functionality |
Tests for cookie setting permissions in user's browser. |
15 minutes |
| id |
Functionality, Advertising |
Used by Google Ad Manager for functionality and advertising purposes |
13 months EEA UK/24 months elsewhere |
| __gads |
Advertising
|
This cookie enables sites to show Google ads. |
13 months |
| GED_PLAYLIST_ACTIVITY |
Advertising |
This cookie is used to measure session activity for ad formats. |
Session |
| ACLK_DATA |
Advertising |
Advertising - this cookie is used to help improve advertising. This targets advertising based on what's relevant to a user, to improve reporting on campaign performance. |
5 minutes |
| pm_sess |
Security, Functionality |
Ensures that requests within a browsing session are made by the user, and not by other sites. These cookies prevent malicious sites from acting on behalf of a user without that user’s knowledge. The cookie ‘pm_sess’ also helps maintain your browser session. |
30 minutes |
| pm_sess_NNN |
Security, Functionality |
Used by Google for advertising, including serving and rendering ads, personalizing ads (depending on your ad settings at g.co/adsettings), limiting the number of times an ad is shown to a user, muting ads you have chosen to stop seeing, and measuring the effectiveness of ads. |
30 minutes |
| aboutads_sessNNN |
Security, Functionality |
Associates multiple requests made by a user on a page with that user's session. |
30 minutes |
| FPAU |
Analytics, Advertising |
Used to collect information about the user and their activity on the website for analytics and reporting. |
90 days |
| ANID |
Advertising |
Used to show Google ads on non-Google sites. If you have personalized ads enabled, the ‘ANID’ cookie is used to remember this setting and lasts for 13 months in the European Economic Area (EEA), Switzerland, and the United Kingdom (UK), and 24 months everywhere else. |
13 months EEA UK/24 months elsewhere |
| AID |
Analytics, Advertising |
Used to link activity on other devices previously logged into with your Google account to coordinate the ads you see and conversion events measured. |
13 months EEA UK/24 months elsewhere |
| IDE |
Advertising |
Used to show Google ads on non-Google sites. |
13 months EEA UK/24 months elsewhere |
| TAID |
Analytics, Advertising |
Used to link activity on other devices previously logged into with your Google account to coordinate the ads you see and conversion events measured. |
14 days |
| FPGCLDC |
Analytics, Advertising |
A remarketing and behavioural targeting service provided by Google that tracks the visitors of this Website and allows selected advertising partners to display targeted ads across the web to them. |
90 days |
| _gcl_dc |
Analytics, Advertising |
A remarketing and behavioural targeting service provided by Google that tracks the visitors of this Website and allows selected advertising partners to display targeted ads across the web to them. |
90 days |
| _gcl_au |
Analytics, Advertising |
For showing ads, including personalized ads, and measuring their effectiveness. SDI uses Google advertising services for showing ads for SDI products and services. |
90 days |
| FLC |
Advertising |
A remarketing and behavioural targeting service provided by Google that tracks the visitors of this Website and allows selected advertising partners to display targeted ads across the web to them. |
10 seconds |
| RUL |
Advertising |
This service uses the “DoubleClick” Cookie, which tracks use of this Website and User behavior concerning ads, products and services offered. |
12 months |
| FPGCLAW |
Analytics, Advertising |
Used to write Google Ads click IDs into first-party cookies. |
90 days |
| FPGCLGB |
Analytics, Advertising |
Used to write Google Ads click IDs into first-party cookies. |
90 days |
| _gcl_gb |
Analytics, Advertising |
Used to store campaign information in order to provide Google Ads with a more reliable way to measure interactions. |
90 days |
| _gac_gb_<wpid> |
Analytics, Advertising |
Used to store campaign information in order to provide Google Ads with a more reliable way to measure interactions. |
90 days |
| _gcl_aw |
Analytics, Advertising |
Used to help tags measure click data so that conversions are measured effectively. |
90 days |
| 1P_JAR |
Advertising |
Used to provide ad delivery or retargeting. |
30 days |
| Conversion |
Advertising |
Used to track conversions through ad campaigns and send data to Google Ads. |
90 days |
| YSC |
Security |
Used to authenticate users, prevent fraud, and protect you as you interact with a service. This cookies used to prevent spam, fraud, and abuse by ensuring that requests within a browsing session are made by the user, and not by other sites. It prevents malicious sites acting without a user’s knowledge and as if they were that user. |
Session |
| VISITOR_INFO1_LIVE |
Security, Advertising |
Used by YouTube to show more relevant ads, provide bandwidth estimations, and detect and resolve problems with the service. |
180 days |
| VISITOR_INFO1_LIVE__k |
Security, Advertising |
Used by YouTube to show more relevant ads, provide bandwidth estimations, and detect and resolve problems with the service. |
180 days |
| VISITOR_INFO1_LIVE__default |
Security, Advertising |
Used by YouTube to show more relevant ads, provide bandwidth estimations, and detect and resolve problems with the service. |
180 days |
| FPLC |
Analytics |
This cookie is a cross-domain traffic linker cookie and is connected to the hashed traffic from the FPID cookie and can be read with JavaScript. |
20 hours |
| __utma |
Analytics |
Used to distinguish users and sessions, the cookie is created when the javascript library executes and no existing __utma cookies exists. It's updated every time data is sent to Google Analytics. |
2 years |
| __utmb |
Analytics |
Used to determine new sessions/visits, the cookie is created when the javascript library executes and no existing __utmb cookies exists. It's updated every time data is sent to Google Analytics. |
30 minutes |
| __utmc |
Analytics |
Used in ga.js, it's set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit. |
Session |
| __utmt |
Analytics |
This cookie is used to throttle request rate. |
10 minutes |
| __utmz |
Analytics |
This cookie stores the traffic source or campaign that explains how users reach our site. The cookie is created when the javascript library executes and is updated every time data is sent to Google Analytics. |
6 months |
| __utmv |
Analytics |
Used to store visitor-level custom variable data, this cookie is created when a developer uses the _setCustomVar method with a visitor level custom variable. This cookie was also used for the deprecated _setVar method. The cookie is updated every time data is sent to Google Analytics. |
2 years |
| AMP_TOKEN |
Functionality |
This cookie contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service. |
30 seconds to 1 year |
| FPID |
Analytics |
The FPID (First Party Identifier) cookie collects values to be used for setting the Client ID in the request to Google’s servers. |
2 years |
| GA_OPT_OUT |
Functionality |
This cookie enables users to block cookies from being dropped on their device. The opt-out cookies lets our website to know not to drop any cookies—including third-party cookies— on the user's device. |
10 Nov 2030 (all cookies) |
| _dc_gtm_<property-id> |
Analytics |
This cookie links our Google Analytics ID to Google Tag Manager, so that DoubleClick Campaign Manager can consume it. It is used to track the performance of ad campaigns via Analytics. |
1 minute |
Hotjar
|
| _hjClosedSurveyInvites |
Analytics |
Set once a visitor interacts with a Survey invitation modal popup. It is used to ensure that the same invite does not re-appear if it has already been shown. |
365 days |
| _hjDonePolls |
Analytics |
Set once a visitor completes a poll using the Feedback Poll widget. It is used to ensure that the same poll does not re-appear if it has already been filled in. |
365 days |
| _hjMinimizedPolls |
Analytics |
Hotjar cookie. This cookie is set once a visitor minimizes a Feedback Poll widget. It is used to ensure that the widget stays minimizes when the visitor navigates through your site. |
365 days |
| _hjDoneTestersWidgets |
Analytics |
Set once a visitor submits their information in the Recruit User Testers widget. It is used to ensure that the same form does not re-appear if it has already been filled in. |
365 days |
| _hjIncludedInSample |
Analytics |
This session cookie is set to let Hotjar know whether that visitor is included in the sample which is used to generate funnels. |
365 days |
| _hjShownFeedbackMessage |
Analytics |
Set when a visitor minimizes or completes Incoming Feedback. This is done so that the Incoming Feedback will load as minimized immediately if they navigate to another page where it is set to show. |
365 days |
| _hjid |
Analytics |
Hotjar cookie. This cookie is set when the customer first lands on a page with the Hotjar script. It is used to persist the Hotjar User ID, unique to that site on the browser. This ensures that behaviour in subsequent visits to the same site will be attributed to the same user ID. |
365 days |
| _hjRecordingLastActivity |
Analytics |
This should be found in sessionStorage (as opposed to cookies). This gets updated when a visitor recording starts and when data is sent through the WebSocket (the visitor performs an action that Hotjar records). |
Session |
| hjTLDTest |
Analytics |
When the script executes Hotjar tries to determine the most generic cookie path they should use, instead of the page hostname. This is done so that cookies can be shared across subdomains (where applicable). To determine this, Hotjar try to store the _hjTLDTest cookie for different URL substring alternatives until it fails. After this check, the cookie is removed. |
Session |
| _hjUserAttributesHash |
Analytics |
User Attributes sent through the Hotjar Identify API are cached for the duration of the session in order to know when an attribute has changed and needs to be updated. |
Session |
| _hjCachedUserAttributes |
Analytics |
Stores User Attributes which are sent through the Hotjar Identify API, whenever the user is not in the sample. These attributes will only be saved if the user interacts with a Hotjar Feedback tool. |
Session |
| _hjLocalStorageTest |
Analytics |
Used to check if the Hotjar Tracking Script can use local storage. If it can, a value of 1 is set in this cookie. The data stored in_hjLocalStorageTest has no expiration time, but it is deleted immediately after creating it so the expected storage time is under 100ms. |
N/A |
| _hjptid |
Analytics |
Set for logged in users of Hotjar, who have Admin Team Member permissions. It is used during pricing experiments to show the Admin consistent pricing across the site. |
Session |
| hotjarPageCount |
Analytics |
Used to ensure we ask people for feedback on how useful our website was after they've viewed multiple pages. |
Session |
