www.leedsth.nhs.uk puts small files (known as ‘cookies’) onto your computer to collect information about how you browse the site. Find out more about the cookies we use, what they’re for and when they expire.
Cookies that measure website use (statistics)
Google Analytics
We use Google Analytics cookies to collect information about how you use www.leedsth.nhs.uk. You can opt out of Google Analytics cookies by installing the Google Analytics Opt-out Browser Add-on. You can read Google’s overview of data practices within Google Analytics. Our Privacy Notice has more information about the data we collect using Google Analytics cookies and information we receive from other digital services. We use the following Google Analytics cookies on www.leedsth.nhs.uk:
| Name | Purpose | Expires |
|---|---|---|
| _ga_<unique id> | These help us count how many people visit www.leedsth.nhs.uk by tracking if you’ve visited before | 1 year |
| _ga, _gid,_gat | These help us count how many people visit www.leedsth.nhs.uk by tracking if you’ve visited before | 2 years |
Crazy Egg
We use Crazy Egg cookies to track visitor’s use of the site through ‘heatmaps’. This technology shows us where visitors are clicking the most and helps us improve the layout and design of our web pages for visitors.
| Name | Expires | Purpose |
| _ceir | 1 year | Track whether a visitor has visited the site before |
| _CEFT | 1 year | Store page variants assigned to visitors for A/B performance testing |
| _cer.v | Up to 31 days (expires on the first of the month) | (Old tracking script) Track whether a visitor has visited the site before |
| _ce.s | 1 year | Track a recording visitor session unique ID, tracking host and start time |
| _ce.cch | 1 second | Used to check if cookies can be added. |
| _ce.gtld | 1 second | Used to identify the top level domain. |
| ce_need_secure_cookie | 1 second | Used to determine cookie security parameters. |
| ce_successful_csp_check | 24 hours | Used to determine if the page has a Content Security Policy rule that would prevent tracking. |
| cebs | Session | Used to track the current user session internally. |
| cebsp_ | Session | Used to track the current user session internally. |
| _ce.clock_event | 1 Day | Prevent repeated requests to the Clock API. |
| _ce.clock_data | 1 Day | Store the difference in time from the server’s time and the current browser. |
| _ce.irv | Session | Used to store isReturning value during the session |
| ceft_variant_override | Session | Store forced variant id |
Cookies set by other websites (marketing)
Some of our pages may contain content from other sites, like YouTube or Vimeo, which may set their own cookies. These sites are sometimes called ‘third party’ services. This tells us how many people are seeing the content and whether it’s useful.
In addition, if you share a link to a Leeds Teaching Hospitals NHS Trust page, the service you share it on (for example, Facebook) may set a cookie. We have no control over cookies set on other websites – you can turn them off, but not through us.
YouTube videos
We use YouTube to show videos on some www.leedsth.nhs.uk pages. YouTube sets cookies when you visit one of these pages.
| Name | Purpose | Expires |
|---|---|---|
| VISITOR_INFO1_LIVE | Used by YouTube to count the views of embedded videos and provide bandwidth usage statistics | 6 months |
| VISITOR_PRIVACY_METADATA | Used by YouTube to store the user’s cookie consent state for the current domain | 6 months |
| GPS | Stores location data of the current user based on geographical GPS location | Per session |
| YSC | Used by YouTube to prevent spam, fraud and abuse. The YSC cookie ensured that requests to YouTube and Google are being made by the user, and not by other sites. | Per session |
| PREF | YouTube uses the ‘PREF’ cookie to store information such as your preferred page configuration and playback preferences like explicit autoplay choices, shuffle content, and player size. For YouTube Music, these preferences include volume, repeat mode, and autoplay | 8 months |
Vimeo
We embed videos from Vimeo related to our services. When you press play Vimeo will add third party cookies to enable the the video to play and to collect analytics data such as how long a viewer has watched the video. These cookies do not track individuals.
| Name | Purpose | Expires |
|---|---|---|
| __utm_player | Used by embedded Vimeo videos to monitor analytical data regarding the player performance. | 10 minutes |
| vuid | Used by Vimeo to store a users usage history with relation to Vimeo embedded videos played by the user on this website. | 2 years |
Strictly necessary cookies (functional)
Cookies message
You may see a banner when you visit www.leedsth.nhs.uk inviting you to accept cookies or review your settings. We’ll set cookies so that your computer knows you’ve seen it and not to show it again, and also to store your settings.
| Name | Purpose | Category | Expires |
| CookieControl | Used by the Civic Cookie Control consent system to store the accepted cookie policy ID. | Functional | 1 year |
Google reCAPTCHA cookies
In some limited circumstances, we may use Google reCAPTHCA to help us detect fraudulent activity. We also use Google reCAPTCHA for spam prevention. Some of the data collected by reCAPTCHA cookies is forwarded to Google. See the Google Privacy Policy and the Google Terms of Service.
| Name | Purpose | Expires |
|---|---|---|
| rc::c | We use Google reCAPTCHA on this site to make sure that information (for example, in forms) is entered by a human and not by automated software. | Per session |
| rc::b | We use Google reCAPTCHA on this site to make sure that information (for example, in forms) is entered by a human and not by automated software. | Per session |
| rc::a | We use Google reCAPTCHA on this site to make sure that information (for example, in forms) is entered by a human and not by automated software. | Persistent |
Other essential cookies
Essential cookies keep your information secure while you use our website. We do not need to ask permission to use them.
| Name | Purpose | Expires |
|---|---|---|
| wpe-auth | Used to store user status (strictly for logged in users) | Per session |
| wp_lang | Used by WordPress to store the users language preferences | Per session |
| wp_data_user_* | Used by WordPress to provide administrative functionality | Various |
| __cf_bm | Used by Cloudflare – strictly necessary to provide the services requested by users | 30 minutes |
| wfwaf-authcookie-* | This cookie is used by the Wordfence firewall to perform a capability check of the current user before WordPress has been loaded. | 1 day |
| wf_loginalerted_* | This cookie is used to notify the Wordfence admin when an administrator logs in from a new device. | Persistent |
| wfls-remembered-* | For users who use MFA when logging in, this cookie allows them to log in with the same browser without requiring MFA each time, for up to 30 days. | 1 month |