Chart 1, Westminster election voter turnout, 2017

Cookie Name	Cookie Category	Description	Duration
wordpress_	2	WordPress cookie for a logged in user.	session
wordpress_logged_in_	2	WordPress cookie for a logged in user	session
wordpress_test_	2	WordPress cookie for a logged in user	session
wordpress_test_cookie	2	WordPress test cookie	session
wp-settings-	1	Wordpress also sets a few wp-settings-[UID] cookies. The number on the end is your individual user ID from the users database table. This is used to customize your view of admin interface, and possibly also the main site interface.	1 year
wp-settings-time-	2	Wordpress also sets a few wp-settings-{time}-[UID] cookies. The number on the end is your individual user ID from the users database table. This is used to customize your view of admin interface, and possibly also the main site interface.	1 year
PHPSESSID	1	To identify your unique session on the website	session
SESS	1	To ensure that you are recognised when you move from page to page within the site and that any information you have entered is remembered.	session
__utma	2	This cookie keeps track of the number of times a visitor has been to the site pertaining to the cookie, when their first visit was, and when their last visit occurred. Google Analytics uses the information from this cookie to calculate things like Days and Visits to purchase.	permanent
__utmb	2	__utmb is a Google Analytics cookie. It takes a timestamp of the exact moment in time when a visitor enters a site.	session
__utmc	2	__utmc takes a timestamp of the exact moment in time when a visitor leaves a site.	30 mins
uvc	2	The uvc cookie is one of the cookies used to track usage of the Addthis.com service. It allows a user to share a webpage with many social sites.	1 day
catAccCookies	1	Cookie set by the UK cookie consent plugin to record that you accept the fact that the site uses cookies.	30 days
__utmz	2	Keeps track of where the visitor came from, what search engine you used, what link you clicked on, what keyword you used, and where they were in the world when you accessed a website. This cookie is how Google Analytics knows to whom and to what source / medium / keyword to assign the credit for a Goal Conversion or an Ecommerce Transaction.	6 months

wordpress_

2

WordPress cookie for a logged in user.

session

wordpress_logged_in_

2

WordPress cookie for a logged in user

session

wordpress_test_

2

WordPress cookie for a logged in user

session

wordpress_test_cookie

2

WordPress test cookie

session

wp-settings-

1

Wordpress also sets a few wp-settings-[UID] cookies. The number on the end is your individual user ID from the users database table. This is used to customize your view of admin interface, and possibly also the main site interface.

1 year

wp-settings-time-

2

Wordpress also sets a few wp-settings-{time}-[UID] cookies. The number on the end is your individual user ID from the users database table. This is used to customize your view of admin interface, and possibly also the main site interface.

1 year

PHPSESSID

1

To identify your unique session on the website

session

SESS

1

To ensure that you are recognised when you move from page to page within the site and that any information you have entered is remembered.

session

__utma

2

This cookie keeps track of the number of times a visitor has been to the site pertaining to the cookie, when their first visit was, and when their last visit occurred. Google Analytics uses the information from this cookie to calculate things like Days and Visits to purchase.

permanent

__utmb

2

__utmb is a Google Analytics cookie. It takes a timestamp of the exact moment in time when a visitor enters a site.

session

__utmc

2

__utmc takes a timestamp of the exact moment in time when a visitor leaves a site.

30 mins

uvc

2

The uvc cookie is one of the cookies used to track usage of the Addthis.com service. It allows a user to share a webpage with many social sites.

1 day

catAccCookies

1

Cookie set by the UK cookie consent plugin to record that you accept the fact that the site uses cookies.

30 days

__utmz

2

Keeps track of where the visitor came from, what search engine you used, what link you clicked on, what keyword you used, and where they were in the world when you accessed a website. This cookie is how Google Analytics knows to whom and to what source / medium / keyword to assign the credit for a Goal Conversion or an Ecommerce Transaction.

6 months

More information about the Cookies that are used