BTS Cookie Policy

Updated March 2026

The British Thoracic Society (BTS) uses cookies on our websites, including the Respiratory Futures programme, which includes any address or URL ending in brit-thoracic.org.uk or respiratoryfutures.org.uk (“websites”).

Cookies are small data files that are stored on your computer or mobile device when you visit a website. We use cookies on our websites in order to make these work, or work more efficiently, and provide you with a good experience when you browse our sites, as well as to provide reporting information and allowing us to improve our sites. Our websites use cookies to distinguish you from other users of our sites; in some cases, we may use cookies to collect personal information, or that becomes personal information if we combine it with other information.

We only use (and store) non-essential cookies on your computer's browser or hard drive if you provide your consent.

Necessary

Necessary cookies are required to enable the basic features of this site, such as providing secure log-in or adjusting your consent preferences. These cookies do not store any personally identifiable data.

Cookie Duration Description

.AspNetCore.Antiforgery.*

Session

This cookie is set by MicrosoftAspNetfor the purpose of Anti-forgery protection.

ASP.NET_SessionId

Session

Issued by Microsoft's ASP.NET Application, this cookie stores session data during a user's website visit.

_GRECAPTCHA

6 months

GoogleRecaptchaservice sets this cookie toidentifybots to protect the website against malicious spam attacks.

rc::a

Never expires

This cookie is set by the Googlerecaptchaservice to identify bots to protect the website against malicious spam attacks.

rc::f

Never expires

This cookie is set by the Googlerecaptchaservice to identify bots to protect the website against malicious spam attacks.

rc::c

Session

This cookie is set by the Googlerecaptchaservice to identify bots to protect the website against malicious spam attacks

rc::b

Session

This cookie is set by the Googlerecaptchaservice to identify bots to protect the website against malicious spam attacks.

__cf_bm

1 hour

This cookie, set by Cloudflare, is used to support Cloudflare Bot Management.

.AspNetCore.OpenIdConnect.Nonce.*

15 minutes

This cookie is created by the ASP.NET Core Identity framework and is used to maintain security during OpenID Connect authentication flows.

.AspNetCore.Correlation.*

15 minutes

This cookie is created by the ASP.NET Core Identity framework and is used to prevent Cross-Site Request Forgery (CSRF) attacks during external login flows.

.AspNetCore.Mvc.CookieTempDataProvider

Past

This cookie is created by the ASP.NET Core Identity framework and is used to store temporary authentication-related data, enabling data persistence across requests.

.AspNetCore.Session

Session

This cookie is set by MicrosoftAspNetfor the purpose of preserving the session state across page requests.

.AspNetCore.Antiforgery.*

Session

This cookie is set by MicrosoftAspNet for the purpose of Anti-forgery protection.

cookieyes-consent

1 year

CookieYes sets this cookie to remember users' consent preferences so that their preferences are respected on subsequent visits to this site. It does not collect or store any personal information about the site visitors.

JSESSIONID

Session

New Relic uses this cookie to store a session identifier so that New Relic can monitor session counts for an application.

Functional

Functional cookies help perform certain functionalities like sharing the content of the website on social media platforms, collecting feedback, and other third-party features.

Cookie Duration Description
_cfuvid Session Calendly sets this cookie to track users across sessions to optimise user experience by maintaining session consistency and providing personalised services
yt-remote-device-id Never expires YouTube sets this cookie to store the user's video preferences using embedded YouTube videos
ytidb::LAST_RESULT_ENTRY_KEY Never expires The cookie ytidb::LAST_RESULT_ENTRY_KEY is used by YouTube to store the last search result entry that was clicked by the user. This information is used to improve the user experience by providing more relevant search results in the future.
yt-remote-connected-devices Never expires YouTube sets this cookie to store the user's video preferences using embedded YouTube videos.
yt-remote-session-app  Session The yt-remote-session-app cookie is used by YouTube to store user preferences and information about the interface of the embedded YouTube video player.
yt-remote-cast-installed Session  The yt-remote-cast-installed cookie is used to store the user's video player preferences using embedded YouTube video.
yt-remote-session-name Session  The yt-remote-session-name cookie is used by YouTube to store the user's video player preferences using embedded YouTube video.
yt-remote-cast-available Session The yt-remote-cast-available cookie is used to store the user's preferences regarding whether casting is available on their YouTube video player.
yt-remote-fast-check-period Session The yt-remote-fast-check-period cookie is used by YouTube to store the user's video player preferences for embedded YouTube videos.
__Secure-YEC Past YouTube sets this cookie to stores the user's video player preferences using embedded YouTube video.
_dd_s 15 minutes This cookie is set by Datadog to group all events generated from a unique user session across multiple pages.
.AspNetCore.Mvc.CookieTempDataProvider Session This cookie is created by the ASP.NET Core Identity framework and is used to store temporary authentication-related data, enabling data persistence across requests.

Analytics

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics such as the number of visitors, bounce rate, traffic source, etc.

Cookie Duration Description

_ga_*

1 year 1 month 4 days

Google Analytics sets this cookie to store and count page views

_ga

1 year 1 month 4 days

Google Analytics sets this cookie to calculate visitor, session and campaign data and track site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognise unique visitors.

_gid

1 day

Google Analytics sets this cookie to store information on how visitors use a website while also creating an analytics report of the website's performance. Some of the collected data includes the number of visitors, their source, and the pages they visit anonymously.

_gat_gtag_UA_*

1 minute

Google Analytics sets this cookie to store a unique user ID.

vuid

1 year 1 month 4 days

Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos on the website.

Advertisement

Advertisement cookies are used to provide visitors with customised advertisements based on the pages you visited previously and to analyse the effectiveness of the ad campaigns.

Cookie Duration Description

YSC

Session

YouTubesets this cookie to track the views of embedded videos onYouTube pages.

VISITOR_INFO1_LIVE

6 months

YouTube sets this cookie to measure bandwidth, determining whether the user gets the new or old player interface.

VISITOR_PRIVACY_METADATA

6 months

YouTube sets this cookie to store the user's cookie consent state for the current domain.

__Secure-ROLLOUT_TOKEN

6 months

YouTube sets this cookie to manage feature rollout and experimentation. It helps Google control which new features or interface changes are shown to users as part of testing and staged rollouts, ensuring consistent experience for a given user during an experiment.

__Secure-YNID

6 months

YouTube cookie used to protect user security and prevent fraud, especially during the login process.

How can I control cookies?

You have the right to decide whether to accept or reject cookies. You can exercise your cookie rights by setting your preferences in the Cookie Consent Manager, which allows you to select which categories of cookies you accept or reject. Essential cookies cannot be rejected as they are strictly necessary to provide you with services.

The Cookie Consent Preference manager can be found via the icon on the bottom left of our websites. If you choose to reject cookies, you may still use our websites though your access to some functionality and areas of our websites may be restricted. You may also set or amend your web browser controls to accept or refuse cookies.

As the means by which you can refuse cookies through your web browser controls vary from browser to browser, you should visit your browser's help menu for more information. The following is information about how to manage cookies on the most popular browsers:

To find out more about cookies, including how to see what cookies have been set, visit www.aboutcookies.org or www.allaboutcookies.org.

To opt out of being tracked by Google Analytics across all websites, visit http://tools.google.com/dlpage/gaoptout.

If you have any questions about our use of cookies or other technologies, please email us at BTS@brit-thoracic.org.uk

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