Information about our use of cookies

Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site.

What is a cookie?

A cookie is a small text file stored by your web browser on your computer or mobile device. Some cookies are essential for a website to work and help us provide you with relevant information. They also allow us to recognise your computer (but not specifically who is using it) when you access our site and to improve the usability and performance of our site.

What do we use cookies for?

We use cookies to compile anonymous, aggregated statistics that allow us to understand how people use our sites and to help us improve their structure and content. We cannot identify you personally from this information.

We have set out below some common types of cookies:

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, use a shopping cart or make use of e-billing services.

Analytical/performance cookies. They allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. 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, greet you by name and remember your preferences (for example, your choice of language or region).

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 and the advertising displayed on it more relevant to your interests. We may also share this information with third parties for this purpose.

Social media cookies. These allow you to share content from our website, or what you have been doing on it, on social media (such as Facebook or Twitter). This information may be linked to targeting or advertising activities.

You can find more information about the individual cookies we use and the purposes for which we use them in the table below:

Cookie Name Purpose More Information Duration
PHPSESSID Strictly Necessary These cookies are used for the website to function and to improve the performance of the website Session
gdpr Strictly Necessary User to ensure the user has been notified of the GDPR policy Session

Facebook

Please see https://www.facebook.com for more details
xs Analytics Session variable 1 year
spin Analytics tbd 1 day
m_pixel_ratio Analytics tbd Session
datr Analytics This cookie plays a key role in Facebook’s security and site integrity features. 2 years
fr Analytics tbd 3 months
wd Analytics This cookie stores the browser window dimensions and is used by Facebook to optimise the rendering of the page 2 weeks
_fbr Analytics tbd 2 months
c_user Analytics the user ID of the currently logged in user 1 year
presence Analytics The presence cookie is used to contain the user’s chat state. Session
sb Analytics tbd 2 years

Google

Please see https://google.com for more details
_ga Strictly Necessary Used to distinguish users. 2 years
_gid Strictly Necessary Used to distinguish users. 1 day
_gat Strictly Necessary Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this cookie will be named _dc_gtm_<property-id>. 1 minute
AMP_TOKEN Strictly Necessary Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service. 30 seconds to 1 year
_gac_<property-id> Strictly Necessary Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out. 90 days

Stripe

Please see https://stripe.com/ for more details
__stripe_mid (or 'muid'; part of stripe.js) Strictly Necessary Fraud prevention and detection 1 year
__stripe_sid (or 'sid'; part of stripe.js) Strictly Necessary Fraud prevention and detection 30 minutes
m (or 'guid'; part of stripe.js) Strictly Necessary Fraud prevention and detection 2 years
locale Preference Localization setting for language to use for the Site and docs Session
country Preference Country localization settings to adjust product and features availability Session
lang Preference Programming language to use for the code examples in Stripe's docs 1 year
has_intentionally_selected_curl Preference Show the code examples in curl in Stripe's docs 20 years
persisted-tab-#{id} Preference Remembers which tab of the docs you are on between page refreshes 1 year
disable_cmd_f_override Preference Disable Stripe's docs search cmd+f/ctrl+f shortcut and use the browser default behavior (search the current page) instead 1 year
double_cmd_f_uses Preference Tracks use of the cmd+f/ctrl+f shortcut in Stripe's docs. Used to improve UX by not telling Users about a feature they have already used 1 year
expanded-topics Preference Remembers which topics are expanded in Stripe's docs between page refreshes 1 year
checkout-test-session / checkout-live-session Preference Used to power Legacy Checkout's Remember Me function 1 year
_ga /_gat /_gat_UA-12675062-5_gid Analytics Google Analytics cookies used for analytics and service improvement 2 years
cid Analytics Stripe analytics 'client ID' used for service improvement Session
site_sid/__stripe_id Analytics Stripe 'session ID' used for analytics and service improvement 2 hours
__stripe_orig_props Analytics Used to measure the effectiveness of marketing campaigns 1 year
__utma/__utmb/__utmc/__utmt/__utmz Analytics Runkit's Google Analytics 2 years
_mkto_trk Analytics Tracks page visits and email campaign effectiveness 2 years
muc Analytics Stripe Atlas Twitter marketing campaigns 1 year
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