These are ‘strictly necessary’ cookies as WordPress will not be able to function without. They are also session cookies as they expire once the user logs out or exits the page.

Cookie	Duration	Description
__cfduid	1 month	The cookie is used by cdn services like CloudFare to identify individual clients behind a shared IP address and apply security settings on a per-client basis. It does not correspond to any user ID in the web application and does not store any personally identifiable information.
wordpress_test_cookie	session	This cookie is used to check if the cookies are enabled on the users' browser.

These cookies allow websites to remember the user’s site preferences and choices they make on the site including username, region, and language. This allows the website to provide personalised features. They are anonymous and don’t track browsing activity across other websites.

Cookie	Duration	Description
lang	session	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.

These cookies are used specifically for gathering data on how visitors use a website, which pages of a website are visited most often, or if they get error messages on web pages. These cookies monitor only the performance of the site as the user interacts with it. These cookies don’t collect identifiable information on visitors, which means all the data collected is anonymous and only used to improve the functionality of a website.

Cookie	Duration	Description
__utma	2 years	This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics.
__utmb	30 minutes	The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics.
__utmc	session	The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits.
__utmt	10 minutes	The cookie is set by Google Analytics and is used to throttle request rate.
__utmz	6 months	This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site.