We put some small files called cookies on your device to make our site work. We’d like to set additional cookies so we can remember your settings, understand how people use our site and make improvements.

Let us know which cookies we can use. We’ll use a cookie to remember your choices.

Essential cookies

These cookies are required to make this site work. We do not need to ask permission to use these.

cookieconsent_statusSaves your cookie consent choices1 year
cookieconsent_status_[suffix]Saves your cookie consent choices1 year

Functional cookies

_oklvThe Olark loader version (for improved caching)Session
_okbkExtra state information (e.g. chat box being open/closed)Session
olfskStorage identifier that we use to maintain chat state across pages (e.g. message history)1 year
_okMost recent Olark site ID (security measure)Session
_okdetectUsed for detecting when storage contexts have changed due to things like ssl or host transitions (helps maintain your chat across pages)Session
hblidA visitor identifier that Olark use to remember visitors between visits1 year
wcsidA session identifier that Olark use to keep track of a single chat sessionSession
_okla Used for caching purposes (loaded from CDN vs. loaded from our infrastructure)
_okgidOlark group id the visitor is locked to
_okacUsed for caching by setting a hash for assets to determine if they have changed and if they need to be refreshed
_okckUsed to test whether the visitor’s browser allows cookies to be stored

Analytics cookies

These cookies store information about how you use our site, such as the links you click on. We use them to help make our site better.

_ga[suffix]Used by Google Analytics, tells us how you use our web site2 years
_gaUsed by Google Analytics, tells us how you use our web site2 years
lidcLinkedIn1 day
li_gcLinkedIn6 months
bcookieLinkedIn1 year
IDEGoogle DoubleClick providing ad delivery or retargeting1 year
wdStores the browser window dimensions and is used by Facebook to optimise the rendering of the page.Session
datrTo identify the web browser being used to connect to Facebook independent of the logged in user.2 years
sbUsed by Facebook2 years

To help us monitor the effectiveness of our marketing efforts to promote our courses and services across the web and social media, we make use of third party analytics services if you accept analytics cookies on our website.

Please familiarise yourself with their own privacy and cookie policies.

Third party cookies and services


We embed videos from our official YouTube channel using YouTube’s privacy-enhanced mode. This mode may set cookies on your computer once you click on the YouTube video player, but YouTube will not store personally-identifiable cookie information for playbacks of embedded videos using the privacy-enhanced mode.

PREF*Store information such as your preferred page configuration and playback preferences8 months
VSC*Used by the YouTube video playerEnd of your session
VISITOR_INFO1_LIVE*Used to detect and resolve problems with the service8 months
remote_sid*A session cookie that enables basic functions of YouTubeEnd of your session


We embed videos from our official Vimeo channel. When you press play Vimeo will drop third party cookies to enable the the video to play and to collect analytics data such as how long a viewer has watched the video. These cookies do not track individuals. 

playerThese cookies are used by the Vimeo video playerEnd of your session
vuidThese cookies are used by the Vimeo video player1 year 1 month
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