How we use ‘Cookies’ at MCS

MCS uses cookies to store data on your device for the purpose of identifying you when you return to our website. Most web browsers allow some control of cookies through the browser settings. If you have cookies disabled in your browser, you are still able to use our website but some of the features that rely on cookies may not work correctly.

To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit or

MCS uses sessions to store data on our server, which are individually identifiable. This means that a cookie will be stored on your device and will expire once your visit to the MCS website has ended.

We tracks visitors to and on our website by using referrer tracking and, in addition to our own cookies, we also use third party cookies for the purpose of analytical reporting and to build a profile of our website visitors. We also use click through and open mail tracking when sending emails, this process gives MCS the ability to tailor future email communications.

To opt out of being tracked by Google Analytics across all websites visit

Types of Cookies used

Strictly necessary Cookies

These cookies are necessary for our website to function and cannot be switched off in our systems. They are only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in to your account or filling in forms.

You can set your browser to block or alert you about these cookies, but some parts of the site may not work if they are switched off.

Performance Cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site.

All information these cookies collect is aggregated and therefore pseudonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Functional Cookies

These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages.

If you do not allow these cookies then some or all of these services may not function properly.

Targeting Cookies

These cookies may be set through our site by third party providers. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites.

They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

Cookies in use on the MCSUK website

Cookie Domain Type Lifespan Purpose
IDE Persistent 13 months Advertising
_ga Persistent 2 years Google Analytics (individual user ID)
_gat_gtag_UA Persistent 1 minute Google Analytics (tracks user’s page activity on MCS website)
_gid Persistent 1 day Google Analytics (individual user ID)
PHPSESSID Session Until browser is closed Website Individual session ID (required for functionality)
_pk_id Persistent 13 months MCS’ internal analytics (individual user ID)
_pk_ses Persistent 45 minutes MCS’ internal analytics (individual session ID)
mcs_user_ authentication Persistent 1 year Website authentication cookie (required for “remember me” functionality)
mcsuk-a3 Persistent Until 01:00, 24 May 2018 User’s Google Analytics opt-in preference
Lang .cdn.syndication. Remembers the user’s selected language version on a website
PREF Persistent 10 months Used by YouTube (Google) for storing user preferences and other unspecified purposes
VISITOR_ INFO1_LIVE Persistent 10 months Used by YouTube (Google) for storing user preferences and other unspecified purposes
YSC Session Until browser is closed Used by YouTube (Google) for storing user preferences and other unspecified purposes
dpr Persistent Never Individual user identification for the “Like” and “Share” buttons across the MCS website
fr Persistent 3 months Individual user identification for the “Like” and “Share” buttons across the MCS website

What to do if you would like to opt out of cookies …

Please click here to be removed from future cookies on this device.

Actions you can take

  1. Read our Privacy Policy

Did you know?…

Over 90% of UK imports and exports by weight are transported by ship

Over 170 parliamentarians from across the political spectrum signed up to our Marine Charter calling for a network of ‘marine protected areas’ in UK Seas

41% of North East Atlantic stocks including those around the UK are subject to overfishing