About cookies
Cookies are small text files that are placed on your computer 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.
The tables below show the cookies that we use on our site.
You can manage your cookie preferences at any time by clicking on ‘Manage Cookies’ in the footer of our website.
For more information visit: www.allaboutcookies.org or www.aboutcookies.org.
Necessary Cookies
These cookies are necessary for our website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you that amount to a request for services, such as setting your privacy or language preferences. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.
| Cookie | Purpose | Usage | Duration |
|---|---|---|---|
| CookieControl | Necessary | This cookie is used to remember a user’s choice about cookies. Where users have previously indicated a preference, that user’s preference will be stored in this cookie. | 90 days |
| pll_language | Necessary | To store language settings | Persistent |
| _GRECAPTCHA | Necessary | Google ReCAPTCHA - to provide spam protection | Session |
| actualphonenum | Necessary | To provide the correct country's telephone number for your location. | 1 week |
| __cfruid | Necessary | Cloudflare sets this cookie to identify trusted web traffic. | session |
| AWSALBCORS | Necessary | This cookie is managed by Amazon Web Services and is used for load balancing. | 7 days |
| rc::* | Necessary | Used to distinguish between humans and bots | Persistent |
| ZD-suid | Necessary | Website chat function - to store a unique user ID | 20 Minutes |
Functional Cookies
These allow us to remember your site preferences and choices that you’ve made on our site for example your language preference. They are anonymous and don’t track browsing activity across other websites.
| Cookie | Purpose | Usage | Duration |
|---|---|---|---|
| _zlcmid | Functional | Website chat function - to store a unique user ID | Persistent |
| _lscache_vary | Functional | Litespeed - to Provide the prevention of cached pages | 2 days |
| UserMatchHistory | Functional | Linkedin - Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. | 1 month |
| AnalyticsSyncHistory | Functional | No description | 1 month |
| lang | Functional | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. | session |
| bcookie | Functional | Linkedin sets this cookie from LinkedIn share buttons and ad tags to recognize browser ID. | 2 years |
| lidc | Functional | Linkedin sets the lidc cookie to facilitate data center selection. | 1 day |
| lang | Functional | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. | session |
| __zlcstore | Functional | To store the status of the chat | 1 year |
| zte2095 | Functional | Used to identify the domain/subdomain the Chat Widget is located on. | Session |
| li_gc | Functional | Linkedin Used to store consent of guests regarding the use of cookies for non-essential purposes | 2 years |
| ZD-store | Functional | Website chat function - registers whether the self-service-assistant Answer Bot has been displayed to the website user | Persistent |
Statistics Cookies
Also known as performance cookies, collect information about how you use our website, for example which pages you visited and which links you clicked on. None of this information can be used to identify you. It is all aggregated and, therefore, anonymised.
| Cookie | Purpose | Usage | Duration |
|---|---|---|---|
| _apt_user_id | Statistics | Allows us to identify a specific user | 9 years |
| _apt_session_id | Statistics | Allows us to identify a session for a user | Session |
| _gid | Statistics | Google Analytics - to store and count pageviews | 1 day |
| _ga | Statistics | Google Analytics - to store and count pageviews | 2 years |
| _gat_* | Statistics | We use Google Tag Manager for website statistics | Session |
| _ga_* | Statistics | Google Analytics - to store and count pageviews | 1 year |
| _pk_ses* | Statistics | Matomo - anonymous. To store a unique session ID | Session |
| _pk_id* | Statistics | Matomo - anonymous. To store a unique session ID | 13 months |
| _gat_gtag_UA_*_1 | Statistics | Google Analytics - to store and track conversions | 1 hour |
| piwik.php | Statistics | Collects statistics - such as number of visits, average time spent on website and what pages have been visited. | 1 year |
| ZD-buid | Statistics | Website chat function - to store a unique user ID | Persistent |
Marketing/Tracking Cookies
These are text files dropped on browsers, that are able to record data about you, such as your actions on our site, browsing activity and preferences, IP address and geographical location.
This information can be used for targeted marketing, to direct and display advertisements as precisely as possible.
| Cookie | Purpose | Usage | Duration |
|---|---|---|---|
| _gcl_au | Marketing/Tracking | Google Adsense - to store and track conversions | Persistent |
| _uetsid | Marketing/Tracking | Bing Ads - to store and track visits across websites | 1 day |
| _uetvid | Marketing/Tracking | Bing Ads - to store and track visits across websites | 16 days |
| MUID | Marketing/Tracking | Microsoft - to store and track visits across website | 1 year |
| test_cookie | Marketing/Tracking | The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. | 1 day |
| IDE | Marketing/Tracking | Google DoubleClick IDE cookies are used to store information about how the user uses the website to present them with relevant ads and according to the user profile. | 1 year 24 days |
| bscookie | Marketing/Tracking | This cookie is a browser ID cookie set by Linked share Buttons and ad tags. | 2 years |
| SGPBShowingLimitationPage* | Marketing/Tracking | Advanced tracking for our pop-up forms | At least one session |
| _uetsid_exp | Marketing/Tracking | Contains the expiry date for the cookie with the corresponding name | Persistent |
| _uetvid_exp | Marketing/Tracking | Contains the expiry date for the cookie with the corresponding name | Persistent |
| ads/ga-audiences | Marketing/Tracking | Google Adwords - to re-engage visitors | Session |
| pagead/1p-user-list/# | Marketing/Tracking | Tracks the user's interest | Session |