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Cookie

Purpose

Duration

Setting Party

ci_session

Cookie normally associated with the Codelgniter framework for building PHP based applications. Usually used to maintain a user state during a browser session for consistency of user experience. By default the cookie is destroyed when the browser session ends, in which case it can be Essential. However, it can optionally be stored in a database and be used for tracking users for other purposes and in such cases a category of Essential will probably not apply.

A few seconds

First Party

PHPSESSID

PHP session cookie associated with embedded content from this domain.

Session

First Party

OptanonAlertBoxClosed

This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust. It is set after visitors have seen a cookie information notice and in some cases only when they actively close the notice down. It enables the website not to show the message more than once to a user. The cookie has a one year lifespan and contains no personal information.

365 days

First Party

OptanonConsent

This cookie is set by the cookie compliance solution OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the user's browser, when consent is not given. The cookie has a normal lifespan of one year, so that returning visitors to the site will have their preferences remembered. It contains no information that can identify the site visitor.

365 days

First Party

Cookie

Purpose

Duration

Setting Party

_gclxxxx

Google conversion tracking cookie.

90 days

First Party

_utmb

This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. This cookie determines new sessions and visits and expires after 30 minutes. The cookie is updated every time data is sent to Google Analytics. Any activity by a user within the 30 minute life span will count as a single visit, even if the user leaves and then returns to the site. A return after 30 minutes will count as a new visit, but a returning visitor.

A few seconds

First Party

_utma

This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. This cookie lasts for 2 years by default and distinguishes between users and sessions. It is used to calculate new and returning visitor statistics. The cookie is updated every time data is sent to Google Analytics. The lifespan of the cookie can be customised by website owners.

730 days

First Party

_utmt

This cookie is set by Google Analytics. According to their documentation it is used to throttle the request rate for the service – limiting the collection of data on high traffic sites. It expires after 10 minutes.

A few seconds

First Party

_utmc

This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. It is not used in most sites but is set to enable interoperability within the older version of Google Analytics code known as Urchin. In this older version this was used in combination with the _utmb cookie to identify new sessions/visits for returning visitors. When used by Google Analytics this is always a Session cookie which is destroyed when the user closes their browser. Where it is seen as a Persistent cookie it is therefore likely to be a different technology setting the cookie.

Session

First Party

_utmz

This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. This cookie identifies the source of traffic to the site – so Google Analytics can tell site owners where visitors came from when arriving on the site. The cookie has a life span of 6 months and is updated every time data is sent to Google Analytics.

182 days

First Party

_utmv#########

Marketing, tracking cookie placed by Google Analytics.

A few seconds

First Party

Cookie

Purpose

Duration

Setting Party

lang

This domain is owned by Twitter. The main business activity is Social Networking Services. Where Twitter acts as a third party host, it collects data through a range of plug-ins and integrations, that is primarily used for tracking and targeting. Twitter does not currently provide information on the use of specific cookies.

Session

Third Party

cdn.syndication.twimg.com