Our cookie policy

People using the website on an iPad

Like many websites, we use small files called cookies to help to provide the best possible online experience for you. This page will tell you what cookies are, how we use cookies and how you can control cookies.

Index:

What are cookies?

Who sets the cookies?

Why do we use cookies?

Which third party cookies do we use?

How long do cookies last?

How do I change my cookie settings?

What are cookies?

Cookies are small files of letters and numbers that are placed on your computer, tablet or smartphone, by websites that you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the site, for example, remembering your preferences, recording what you have put in your shopping basket, and counting the number of people looking at a website. We use cookies and similar technologies to provide you with a functional website and to give you a more personalised service.

Who sets the cookies?

We use both first and third party cookies:

  • First party cookies are cookies that are set by us (as the owner of the website). They help the website to function as you as the user might expect it to. They are also used to provide us with anonymised data about how our website is being used.

  • Third party cookies are set on our website by an organisation other than us. These enable us to learn more about our customers, so that we can provide a more personalised service, or for the purposes of advertising.

There are many different types of cookie. They are each used for different purposes. The reasons for the National Trust using different types of cookies are described below.

Why do we use cookies?

A visit to a page on the National Trust website, may generate the following types of cookie:

  • Strictly necessary cookies. These are cookies that are required for the operation of our website. They include, for example, cookies that enable you to log into secure areas of our website, or make a purchase. For example, we use strictly necessary cookies to remember information you’ve entered into our join or donate forms, so that you can move between steps on the form or visit other pages without having to re-enter your information, within a single website visit.
     
  • Analytical/performance cookies. These allow us to recognise and count the number of visitors to our website(s) and to see how these visitors move around / interact with our website(s). We may for, example use analytical cookies to provide data on how many users have visited our site, how long users have spent on the site, and what buttons they have clicked. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily.
     
  •  Functionality cookies. These are used to recognise you when you return to our website. This enables us to personalise our content for you, and remember your preferences. For example, we use functionality cookies to remember settings you’ve previously applied, such as layout and text size.
     
  • Targeting cookies. These cookies record your visit to our website, the pages you have visited and the links you have followed. We will use this information to make our website more relevant to your interests. These may also be used for A/B testing to ensure that you have a consistent experience onsite when we are testing new functionalities/journeys.
     
  • Third party advertising cookies. These cookies allow us to target our advertising to you or to people similar to you, or to exclude you from our advertising. For example, a cookie set by a partner organisation may be used to exclude you from our membership ads on other organisations’ websites, if you have recently completed a membership purchase on our site. Or a third party advertising cookie may be used by our advertising partners to create audiences on our behalf enabling us to target our advertising spend more efficiently.
     
  • Other third party cookies. Where we use applications on our website that are owned by other organisations, third party cookies may be used to customise that application to you or to track the success of that application. For example, if you share an article using a social media sharing button, the social media network may record that share.

Which third party cookies do we use?

We use third party cookies for the purposes of advertising and anlaytics. The below table outlines the purpose of each of our current third party cookies and gives links to the privacy policies of each third party. (Please note the third party cookies used may change as we work with new or different suppliers – this list will be reviewed and updated monthly). 

Cookie type

Cookie author

Cookie purpose

Link to third party policy

3rd Party Advertising Cookie

Sizmek

This cookie allows the display of adverts which are relevant to you and your interests.

https://www.sizmek.com/privacy-policy/

3rd Party Advertising Cookie

Amazon

This cookie allows the display of adverts which are relevant to you and your interests.

https://www.amazon.co.uk/adprefs

3rd Party Advertising Cookie

Media IQ

This cookie allows the display of adverts which are relevant to you and your interests.

http://wearemiq.com/privacy-policy/

3rd Party Advertising Cookie

Affiliate Window

Allow conversion tracking

https://www.awin.com/gb/legal/privacy-policy

3rd Party Advertising Cookie

AppNexus

This cookie allows the display of adverts which are relevant to you and your interests.

https://www.appnexus.com/en/company/platform-privacy-policy

3rd Party Advertising Cookie

Google Adwords

Allow conversion tracking, optimisation and remarketing

https://policies.google.com/technologies/ads

3rd Party Advertising Cookie

Kelkoo

Allow conversion tracking

http://www.kelkoo.co.uk/company-pages/cookie-policy

3rd Party Advertising Cookie

Facebook

Allow conversion tracking, optimisation and remarketing

https://www.facebook.com/policy.php

Analytics Cookie

Google Doubleclick

Allow conversion tracking and optimisation

https://policies.google.com/technologies/ads

 

How long do cookies last?

Cookies last for different lengths of time depending on what they are used for.

  • Session cookies are temporary cookies and are only stored until you leave the website or when you close your web browser.
  • Persistent cookies last for a fixed period of time, defined within the cookie, and allow the website to recognise the device again when the user returns to that website on that device. 

The table below outlines the first party cookies we use, their purpose and their duration.

Cookie name / type

Cookie author

Cookie purpose

Cookie duration

AMCVS_xxx_AdobeOrg

nationaltrust.org.uk

Adobe Analytics - Unique visitor IDs used by Marketing Cloud Solutions. This cookie is used to identify a unique visitor

Session/Visit

AMCV_xxx_AdobeOrg

nationaltrust.org.uk

Adobe Analytics - Unique visitor IDs used by Marketing Cloud Solutions. This cookie is used to identify a unique visitor

2 years

s_cc

nationaltrust.org.uk

Adobe Analytics - This cookie is set and read by the JavaScript code to determine if cookies are enabled (simply set to "True")

Session/Visit

s_sq

nationaltrust.org.uk

Adobe Analytics - This cookie is set and read by the JavaScript code to provide information on links that are clicked on the site.

Session/Visit

s_vi_xxxxxxxxxxx

omtrdc.net

Adobe Analytics - This cookie is used as part of the Adobe functionality to identify a unique visitor. A user may have more than one of these depending on how many NT Sites/site areas they have visited.

5 years

Demdex

dpm.demdex.net

Adobe Analytics - This cookie is used as part of the Adobe functionality to identify a unique visitor

5 years

s_ev38

nationaltrust.org.uk

Adobe Analytics - This cookie is used to identify the marketing channel that last brought the visitor to the site

30 Days

s_getNewRepeat

nationaltrust.org.uk

Adobe Analytics - This cookie is used to identify if a visitor is new or returning

365 Days

s_vnum

nationaltrust.org.uk

Adobe Analytics - This cookie is used to identify the visit number

365 Days

ttcp

nationaltrust.org.uk

Adobe Analytics - Used to calculate time it takes a user to complete purchase from start of their visit

Session/Visit

ttco

nationaltrust.org.uk

Adobe Analytics - Used to calculate time it takes a user complete purchase from start of the checkout process

Session/Visit

s_evpthpg

nationaltrust.org.uk

Adobe Analytics - Used for pathing reports to deduplicate events

Session/Visit

s_visitStart

nationaltrust.org.uk

Adobe Analytics - Used to track a new visit that has started

Session/Visit

s_campaignJoin

nationaltrust.org.uk

Adobe Analytics - Used to store a campaign tracking code in order to deduplicate campaign clickthroughs in a visit

Session/Visit

s_intcmp

nationaltrust.org.uk

Adobe Analytics - Used to store an internal campaign tracking code in order to deduplicate clicks in a session

Session/Visit

s_ppvl

nationaltrust.org.uk

Adobe Analytics - Used as part of the functionality to see how far users have scrolled down a page

Session/Visit

s_ppv

nationaltrust.org.uk

Adobe Analytics - Used as part of the functionality to see how far users have scrolled down a page

Session/Visit

s_dfa

nationaltrust.org.uk

Adobe Analytics - Used as part of the integration between Adobe Analytics and DoubleClick (our adserving service)

Session/Visit

s_dslvnt

nationaltrust.org.uk

Adobe Analytics - Used as part of the functionality to see how many days have fallen between a users visit

Session/Visit

s_dslvnt_s

nationaltrust.org.uk

Adobe Analytics - Used as part of the functionality to see how many days have fallen between a users visit

Session/Visit

s_ppn

nationaltrust.org.uk

Adobe Analytics - Used to allow Adobe Analytics to store the previous page that was viewed on the site - for pathing purposes.

Session/Visit

s_invisit

nationaltrust.org.uk

Adobe Analytics - Used as part of the Visit Number tracking functionality

Session/Visit

gpv_v99

nationaltrust.org.uk

Adobe Analytics - Used to allow Adobe Analytics to store the previous page that was viewed on the site - for pathing purposes.

Session/Visit

mbox

nationaltrust.org.uk

Adobe Target This cookie stores a number of values to manage how users experience Target Campaigns.
Session ID - A unique ID for a user session.
PC ID - An ID for the user's browser.
Check - A test value used to determine is a user supports cookies. This is set each time a new page is requested.
Disable - Set if a user's load time exceeds the Adobe Target timeout.

2 Weeks

ensSiteTimeStart 2

nationaltrust.org.uk

Ensighten - Used as part of the functionality to count how many times users remain on site for 30 seconds or more

Session/Visit

s_tbm

nationaltrust.org.uk

Adobe Analytics -  The cookie identifies the marketing channel through which the user accessed the page

Session/Visit

NT_HOLIDAYS_SESSION_ID

nationaltrust.org.uk

 For National Trust holidays, used to store last used search start date to initialise the availability calendar when an accommodation is chosen

Session Only

SECURE_HOLIDAYS_SESSION_ID

nationaltrust.org.uk

Used to enable session for the holidays booking app.

Session Only

booking-reference

nationaltrust.org.uk

Enable user to continue with an abandoned holiday booking if they want to

6 hours or Cookie Delete

marketingPreferencesUpdated

nationaltrust.org.uk

Records when marketing permissions have been updated. Determines whether a banner is shown to encourage users to update permissions

1 year

nationalTrustCpcSubmissionId

nationaltrust.org.uk

Records the submission of marketing preferences to aid Adobe Analytics

1 hour

cookieSplashShownOnce

nationaltrust.org.uk

Makes sure the user only sees the NT splash screen on the home page once

3 Years or Cookie Delete

cookieStatementShownOnce

nationaltrust.org.uk

Suppresses the display of the cookie policy banner after being shown once

Session Only

lastPlaceViewed

nationaltrust.org.uk

Records the last place page the user has visited  in order to show similar places on the home page.

10 Years or Cookie Delete

pageStack

nationaltrust.org.uk

Records the page name and url of the users journey through the site, to enable back button linking on the web page

Session Only

pagesVisited

nationaltrust.org.uk

Records page id of the last 20 pages the user has visited. Used to show similar content on personalised teasers.

10 Years or Cookie Delete

   

How do I change my cookie settings?

Cookies can be controlled by your web browser settings. Whether our cookies are used will depend on your browser settings, so you are in control. To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, please use the following links:

Please be aware that by blocking all cookies you may not be able to access or use all the features of our website and you will not receive a personalised service.

If you are primarily concerned about third party cookies generated by advertisers, you can turn these off by going to the Your Online Choices site. Also, you can visit the trade body representing these advertising platforms for more information: Network Advertising Initative. From their site, you can control third party online advertising by managing your browser or mobile device opt-outs.

Note that these links will take you to other sites. The National Trust is not responsible for the information and also the setting of cookies on these other sites.