Back to Info

Privacy and cookies

We use cookies to make your website experience as smooth and enjoyable as possible. Plus, they help us understand how folks use our site so we can keep improving! We totally get it if you’d rather skip the optional ones, just switch them off below and hit the ‘Save preferences’ button. Keep in mind that disabling some of these optional cookies could affect your browsing experience. If you ever want to come back and adjust your preferences, click the Cookies link at the bottom of any page.

These cookies are essential for the shopping, chat and account features to function. Some are erased when you close the browser. Others stay longer, sometimes indefinitely, and are saved onto your device so that they’re there when you come back.
 

Cookie Name Purpose Lifespan
.ASPXFORMSAUTHAuthentication for logged-in users.1 month
__stripe_midUsed in checkout for fraud prevention purposes. Assesses the risk associated with individual transactions1 year
__stripe_sidUsed in checkout for fraud prevention purposes. Assesses the risk associated with individual transactions30 minutes
ASP.NET_SessionIdUniquely identifies a user's session across different pages/requestsLasts until the user restarts their browser or the server is restarted
B3391253Forces CGP+ logout for invalid device logins10 minutes
CMSCsrfCookieValidates submitted form data to increase security1 year
CMSLandingPageLoadedIndicates that the landing page has been visited and logged only once for each user20 minutes, with the expiration period being renewed each time the website is re-accessed
CMSPreferredCultureStores the user's preferred culture, e.g. "en-GB", so that website content will display in the preferred language1 year
CMSPreferredUICultureStores the user's preferred culture, e.g. "en-GB", so that interfaces will display in the preferred language1 year
CMSShoppingCartIdentifies and allows recovery of the user's shopping cart1 year
CMSViewModeStores user's current interface preferences based on admin permissions level, e.g. Edit, Preview or Design1 day
comm100_visitorguid_235439Essential for Comm100 Live Chat functionalityAt least 400 days
cookiePreferencesPlusRecords a user's cookie preferences and consent preferences for Google Consent Mode v21 year
cookiesPlusViewedRecords whether user has accepted or rejected optional cookies1 year
CurrentContactUniquely identifies Kentico user information related to the current site visitor. Used to track user activities on the website.50 years, although browsers may cap the expiration date at 400 days
user_gating_classboxStores the account type chosen by the user during sign-up, e.g. school, tutor, bookseller, etc.1 year

Optional Cookies

Advertising

MoreLess

CGP use advertising networks, such as Google or Meta, to display targeted ads based on your interests. These networks may also track your browsing activity across different sites using advertising cookies, which collect data to personalise ads and improve their relevance. These cookies can last up to two years. You can opt out of these cookies on our site below.
If you’d prefer to opt out across all sites for Google you can do so here.
If you have a Meta account, you’ll find more details in the Meta privacy settings.

 

Cookie Name Purpose Lifespan
_fbp                 Set by Facebook to help deliver relevant ads to you on their platform and across the web. It allows us to measure the effectiveness of our Facebook advertising and understand how users interact with our site after seeing or clicking on an ad. 2 years, although browsers may cap the expiration date at 400 days

Analytics

MoreLess

CGP use analytical cookies, such as those provided by Google Analytics, so we can improve your overall browsing experience. These cookies help us to understand how visitors interact with our website by collecting data about your browsing activity, such as the pages you visit and the time spent on our site. These cookies can remain active for up to two years. If you’d prefer not to be tracked this way, you can opt out on our site below.
If you’d prefer to opt out across all sites for Google Analytics you can do so here.

Cookie Name Purpose Lifespan
_ga Used by Google Analytics to identify individual users by assigning them a unique ID, helping website owners understand how visitors interact with their site over time. 2 years, although browsers may cap the expiration date at 400 days
_ga_*                              Works alongside the _ga cookie and Google Analytics 4 to manage session data and track user activity more accurately during each visit. 2 years, although browsers may cap the expiration date at 400 days