What Are Cookies?

A cookie is a small text file which is stored on your computer when you visit a website. Cookies are useful because they allow a website to recognise a user's device. This can be very helpful for things like remembering your preferences, saving passwords, keeping track of your ecommerce basket, or ensuring you see only relevant adverts or messaging.

Our Cookies

The cookies on http://www.chengzhangnet.com and https://m.dfs.co.uk (“Our Site”) are not harmful and are used to make your browsing experience better by providing better site functionality and customised experiences. [read more]

The cookies used on our site will not store sensitive or personally identifiable information, such as name, address or credit card details.

The tables below show a list of all of the types of cookies on our site and how we use them. [read less]

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Strictly Necessary cookies

These cookies are essential for you to browse and shop on our site and use many of its exciting features, such as adding products to your cart and accessing secure areas of our site. These cookies will generally be first-party session cookies. [read more]

Domain Cookie Name Purpose Cookie Expiry
DFS WC_SESSION_ESTABLISHED This cookie is created on the first request that is processed by WebSphere Commerce run time. Session
WC_USERACTIVITY_10427018 This cookie contains user session values such as the session login time, and session identifier information such as the user ID and store ID. Session
DFS_CHECKOUT Pending copy Session
WC_PERSISTENT This cookie is used to persist user ID, personalization ID (if enabled), language ID, and currency for each store ID visited in the session. 90 days
WC_ACTIVEPOINTER This cookie contains the value of the store ID of the session. Session
DFS_PREF_METRIC This cookie is used to store a preference setting chosen by the vistor. Session
WC_AUTHENTICATION_10427018 This cookie is used to allow you to login to our website to see account details etc.. Session
JSESSIONID This cookie is used to allow you to login to our website to see account details etc.. Session
gtm_experiment Google optimize is used to delivery hot fixes until a permenant fix can be deployed to all site visitors & A/B Tests Session
gtm_preview Google optimize is used to delivery hot fixes until a permenant fix can be deployed to all site visitors & A/B Tests Session
gtm_debug Google optimize is used to delivery hot fixes until a permenant fix can be deployed to all site visitors & A/B Tests Session
optimize_editor Google optimize is used to delivery hot fixes until a permenant fix can be deployed to all site visitors & A/B Tests Session
gtm_auth Google optimize is used to delivery hot fixes until a permenant fix can be deployed to all site visitors & A/B Tests Session
vee24.nudges This cookie is used to determine if a visual nudge as been shown to the visitor.
__cfruid A cookie associated with sites using CloudFlare, used to identify trusted web traffic. Session
v24u_dfs User Cookie: To identify users who return to a website 3652 days
v24s_dfs Session Cookie: Temporary ID when visiting a website. If user engages with an Operator, a new session cookie is provided after the engagement ends
__cfduid Cloudflare cookie for maximizing network resources, and protect from malicious traffic 30 days
vee24.userIsActive To test if the user is active (has moved the mouse in the last few seconds)
vee24.testCookie To test if the 1st party cookies are enabled in the browser
__cfduid Cloudflare cookie for maximizing network resources, and protect from malicious traffic 16 days
gi This cookie monitors your experience on the website to detect, identify, and resolve issues quickly 1 days
ua This cookie monitors your experience on the website to detect, identify, and resolve issues quickly 60 minutes
v24TestCookieDFS Another test cookie to test if the cookies are enabled Session

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Performance Cookies

These functionality cookies give our site a much more personal feel and will remember choices that you have made in the past, such as what language you prefer, or what your user name and password are so you can automatically log in. [read more]

Domain Cookie Name Purpose Cookie Expiry
DFS adiLP This cookie gives us the ability to link visitor behaviour with telephone calls made as a result of a visit 90 mins
_cs_id This cookie contains a user identifier 395 days
_4c_mc_ This cookie is used within nudges to allow us to collect anonymous feedback 730 days
_cs_s This cookie contains the number of pageviews within the running session 90 minutes
zukoVisitorId This Zuko Cookie is used to gain insight into how users progress through forms, so we can improve them where possible. 36135 days
_gid This cookie is used to give the user a unique ID, in order to collect Analytic data about how a visitor uses our website. 1 day
adiV This cookie gives us the ability to link visitor behaviour with telephone calls made as a result of a visit. 365 days
adiS This cookie gives us the ability to link visitor behaviour with telephone calls made as a result of a visit. 90 minutes
_cs_c This cookie is used to save the user consent to be tracked 395 days
_gaexp This cookie is used to collect google analytics data 74 days
_ga This cookie is used to collect google analytics data 730 days
_gcl_au This cookie is stored and used by GTM to track conversions 90 days
adiVi This cookie gives us the ability to link visitor behaviour with telephone calls made as a result of a visit. 90 minutes
SSID This cookie holds information about how the visitor uses the website and any advertising that the end user may have seen before visiting the website. 730 days
SID This cookie contains digitally signed and encrypted records of a user’s Google account ID and most recent sign-in time. 730 days
JSESSIONID This cookie helps us see what pages you visit, so we can improve customer journeys through the website. Session

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Functional Cookies

These cookies allow us to supercharge the performance of our site by collecting information about how you use a website, like which pages you visited and which links you clicked on. This information allows us to analyse and improve the functioning of our site. No information that is stored can identify you, as the information is aggregated and anonymised. [read more]

Domain Cookie Name Purpose Cookie Expiry
DFS __exponea_time2__ This cookie creates a timestamp offset between browser and server time 2 hours
__exponea_etc__ This cookie gives the visitor a unique Exponea ID 1095 days
xnpe_0feb7596-fef0-11e9-960e-1e3b60270784 Exponea Cookies are used to delivery custom experiences to customers. 1088 days
__OlapicU User Generated Content provided by the Olapic Platform, this cookie is used to record if you have user has interacted with the Olapic Widgets. 30 days
TrustPilot amplitude_id_67f7b7e6c8cb1b558b0c5bda2f747b07trustpilot.com TrustPilot Widgets used to display customer rating and review count. 10 Days

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Targeting Cookies

Targeting Cookies allow us to use your online activity to provide you advertising across the web, including away from our site. Allowing these cookies will mean that the ads you see are more likely to be relevant to you or may limit the amount of times you see a particular ad or advertiser. These cookies may share this information with third-party organizations or advertisers, and may follow you onto other websites. [read more]

Domain Cookie Name Purpose Cookie Expiry
DFS anj This cookie registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. 90 days
uuid2 This cookie registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. 90 days
MUID This cookie is widely used my Microsoft as a unique user identifier to sync across many different Microsoft domains, allowing user tracking. 390 days
uid This cookie collects information about the visitor and his/her movement through our website. 390 days
_pinterest_ct_ua copy 7 days
_uetvid This is a cookie utilised by Microsoft Bing Ads and is a tracking cookie. It allows us to engage with a user that has previously visited our website. 16 days
_pin_unauth Used by Pinterest to track the usage of services. 365 days
_uetsid This cookie is used by Bing to determine what ads should be shown that may be relevant to the end user 1 day
__qca This cookie provides website rankings, and the data they collect is also used for audience segmentation and targeted advertising. 392 days
IDE This cookie is used for retargeting and running personalised ads 390 days
SAPISID This DoubleClick cookie is set through the site by advertising partners, and used by them to build a profile of the website visitor's interests and show relevant ads on other sites 730 days
APISID This DoubleClick cookie is set through the site by advertising partners, and used by them to build a profile of the website visitor's interests and show relevant ads on other sites 730 days
__Secure-3PSID Used to show relevant & personalised Google advertising 730 days
NID This DoubleClick cookie is set through the site by advertising partners, and used by them to build a profile of the website visitor's interests and show relevant ads on other sites 182 days
SEARCH_SAMESITE This cookie is used to prevent the browser from sending this cookie along with cross-site requests 178 days
1P_JAR This cookie carries information about how the end user uses the website and any advertising that the end user may have seen before visiting the said website 28 days
__Secure-3PAPISID Used to show relevant & personalised Google advertising 730 days
HSID This DoubleClick cookie is set through the site by advertising partners, and used by them to build a profile of the website visitor's interests and show relevant ads on other sites 730 days
CONSENT This cookie holds information about how the visitor uses the website and any advertising that the end user may have seen before visiting the website 6136 days
jvxsync This cookie is set by the audience manager of the website to determine the time and frequencies of visitor data synchronization - cookie data synchronization is used to synchronise and gather visitor data from several websites 166 days
d This cookie is used to show you more relevant ads 90 days
mc This cookie is a consent persistent cookie 382 days
personalization_id This cookie is set by Twitter - The cookie allows the visitor to share content from the website onto their Twitter profile 716 days
mcdfsvisitor2 This cookie is used by Medicom to allow them to show the end user relevant advertising 30 days
_ALGOLIA A first party cookie for the Algolia search insights API to identify users for search analytics and personalisation 6 months

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Unclassified Cookies

These cookies are currently unclassified and their purpose is unknown. These will be updated and moved to the correct section as their purpose is detailed. [read more]

Domain Cookie Name Purpose Cookie Expiry
DFS _cs_mk Pending 90 minutes
searchTermGTM Pending Session

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How do I change my cookie settings?

Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set, visit https://www.aboutcookies.org or https://www.allaboutcookies.org.

Find out how to manage cookies on popular browsers:

Google Chrome

Microsoft Edge

Mozilla Firefox

Microsoft Internet Explorer

Apple Safari

To find information relating to other browsers, visit the browser developer's website.

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