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The British Marine Federation will not use cookies to collect personally identifiable information about you. However, if you wish to restrict or block the cookies which are set by BMF websites, or indeed any other website, you can do this through your browser settings. The Help function within your browser should tell you how.


Alternatively, you may wish to visit which contains comprehensive information on how to do this on a wide variety of browsers. You will also find details on how to delete cookies from your computer as well as more general information about cookies. For information on how to do this on the browser of your mobile phone you will need to refer to your handset manual. Continuing to use the website without deleting or blocking cookies implies your consent to the use of cookies.


Please be aware that restricting cookies may impact on the functionality of this website.


The British Marine Federation use a number of suppliers who also set cookies on our behalf in order to deliver the services that they are providing. If you would like more information about the cookies used by these suppliers, as well as information on how to opt-out, please see the relevant section below.


What are cookies?


A cookie is a small amount of data (which often includes a unique identifier) that is sent to a user’s computer or mobile phone from a website and is stored on the hard drive of a device.


Each website can send its own cookie to your browser if your browser’s preferences allow it. Many websites do this whenever a user visits their website in order to report on website traffic. Your browser only permits a website to access the cookies it has already sent to you, not the cookies sent to you by other websites.


List of Cookies


This is a list of the cookies set by this website, and what each is used for.


  • Third Party Cookies

    • We use a number of suppliers who also set cookies on this website on its behalf in order to deliver the services that they are providing. If you would like more information about the cookies used by these suppliers, as well as information on how to opt-out, please see their individual privacy policies listed below.

    • Google Analytics

    • utma, _utmb, _utmc, _utmz

    • These cookies are used to collect information about how visitors use our site. We use the information to compile reports and to help us improve the site. The cookies collect information in an anonymous form, including the number of visitors to the site, where vistors have come to the site from and the pages they visited.

    • Find out how to opt out of Google Analytics data collection


  • OpenX

    • OAID

    • This cookie is used by our ad server software to manage which ads are served to you on our website, and to capture clicks on those ads. Information is collected in anonymous form, and we do not use this data to deliver specific content, advertising or otherwise, to your browser.

    • If you are do not want the advertising on the website served to you to use this cookie, click here to replace it with an opt out cookie. If you decide to opt out, advertisements may still be delivered to your web browser but those advertisements may not be as relevant to you because the advertisement request will only use information that is automatically transmitted through an Internet communication (e.g., web browser type, Internet Service Provider, information about the general content of the website or web page displayed on your web browser) and not information collected using an OpenX Cookie. Please note that if you delete the opt out cookie, then you may receive the OpenX Cookie again. This cookie will automatically expire after one year.

    • You can find out more about the OpenX cookie at


  • Addthis

    • psc, uid, uit, uvc

    • Although the AddThis cookies do no collect personally identifiable information about our users, it does collect general information that includes which web page you came from, which type of browser you are using, and your general geographic location. AddThis uses this information to provide analytics to help website owners that helps them better understand their visitors. AddThis also uses this information to help advertisers deliver more relevant ads.

    • View the full privacy policy for AddThis

    • Find out how to opt-out from AddThis data collection


  • Twitter

    • k

      Twitter image server cookie

    • guest_id

      Identifies whether the visitor is a user or guest of Twitter

    • original_referer

      This cookie is used to supply the feed on this site

    • _twitter sess

      Defines a unique ID associated with the current user linked to Twitter

    • auth_token

      On login

    • auh_token_session

      On login

    • secure_session

      On login

    • twll

      On login

    • lang

      On login

    • pid

      Used by Twitter (from the share buttons that are embedded in some of our pages)


  • Facebook

    • datr

      the web browser being used to connect to Facebook independent of the logged in visitor. This cookie plays a key role in Facebook’s security and site integrity features

    • reg_fb_gate

      This contains the first Facebook page visited

    • reg_fb_ref

      This contains the last Facebook page visited

    • wd

      This identifies the browser window dimensions

    • lsd

      This contains a random value that is set when a Facebook user logs out in order to prevent cross-site request forgery attacks

    • c_user

      This contains the user ID of the currently logged in visitor. The lifetime of this cookie is dependent on the status of the “keep me logged in” checkbox. If the checkbox is set, the cookie expires after 30 days of inactivity, otherwise the cookie is a session cookie and will therefore be cleared when the browser exits

    • csm

      This cookie is used to integrate the user’s Facebook’s Like status with the London 2012 site

    • lu, s

      This is used to manage how the login page is presented to the visitor. The lifetime is the same as c_user

    • locale

      This contains the display locale of the last logged in visitor on this browser. This is set after the visitor logs out

    • sct

      This contains a timestamp representing the time at which the visitor logged in. This cookie is used to distinguish between multiple sessions created at different times. The lifetime is the same as c_user

    • xs

      This contains the session number, a session secret and an optional “secure” flag (if visitor has enabled secure browsing feature). The lifetime is the same as c_user


  • YouTube cookies

    • In addition to the above third-party cookies, from time to time, we embed videos from our official YouTube channel or trusted third-party YouTube submissions. Use of these videos may set cookies on your computer once you click on the YouTube video player. To find out more please visit YouTube’s embedding videos information page.


Contact Us


We have tried to cover all the cookies which we, or our third-party suppliers, use but please bear in mind that sometimes there may be a short delay in updating this list. If you do notice a discrepancy, or think a cookie is missing from the list, please let us know by emailing

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