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These cookies remember pop-ups you've seen, so you do not see them again.

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Name Purpose Expires
Name

Banner[Number]

Purpose

Checks to see if a survey banner has been dismissed to stop it appearing again

Expires

99 days

Name

nhsuk-banner-[number]

Purpose

Checks to see if a survey banner has been dismissed to stop it appearing again

Expires

99 days

These cookies store information about how you use our website, such as the links you click on. We use them to help make our website better.

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List of cookies that measure website use
Name Purpose Expires
Name

_ga

Purpose

Used by Google Analytics. Tells us how you use our health campaigns sites

Expires

2 years

Name

_gat

Purpose

Used by Google Analytics. Helps stop Google Analytics web servers crashing when collecting information on how you use our health campaigns sites

Expires

1 day

Name

_gid

Purpose

Used by Google Analytics. Sets a unique ID for your session to help tell us how you use our health campaigns sites

Expires

1 day

Name

_hjid

Purpose

Used by Hotjar. Sets a unique ID for your session to help tell us how you use our site

Expires

1 year

Name

_hjIncludedInSample

Purpose

Used by Hotjar. Says if you're included in the current sample for collecting information about how you use our site

Expires

1 day

Name

AMCV_#

Purpose

Used by Adobe Analytics. Tells us if you've used our site before

Expires

2 years

Name

AMCVS_#AdobeOrg

Purpose

Used by Adobe Analytics. Tells us how you use our site

Expires

When you close the browser

Name

com.adobe.reactor.dataElementCookiesMigrated

Purpose

Used by Adobe Analytics. Includes data elements set to capture usage of our website

Expires

No expiry

Name

demdex

Purpose

Used by Adobe Analytics. Allows cross-domain analytics of NHS properties

Expires

180 days

Name

nbs_sess

Purpose

Used by Adobe Analytics. Tells us how you used selected radio button responses through the coronavirus vaccination booking service.

Expires

When you close the browser

Name

s_cc

Purpose

Used by Adobe Analytics. Checks if cookies work in your web browser

Expires

When you close the browser

Name

s_getNewRepeat

Purpose

Used by Adobe Analytics. Tells us if you've used our website before

Expires

30 days

Name

s_ppn

Purpose

Used by Adobe Analytics. Tells us how you use our website by reading the previous page you visited

Expires

1 day

Name

s_sq

Purpose

Used by Adobe Analytics. Remembers the last link you clicked on

Expires

When you close the browser

Name

Random session ID set by Qualtrics

Purpose

Used by Qualtrics Feedback. Tells us which pages you’ve visited on our site

Expires

When you close the browser

Name

QSI_S

Purpose

Used by Qualtrics Feedback. Tells us if you’ve used our site before

Expires

1 week

Name

QSI_SI_(id)_intercept

Purpose

Used by Qualtrics Feedback. Allows us to show survey pop-ups if you come back to our site

Expires

Depends on the setting we use for Qualtrics Feedback surveys

Name

QSIPopUnder_PopUnderTarget_SI

Purpose

Used by Qualtrics Feedback. Stops multiple survey pop-ups appearing on the same page

Expires

When you close the browser

Name

_clck

Purpose

Used by Microsoft Clarity. Sets a unique ID for your browser and device to tell us how you use our site

Expires

1 year

Name

_clsk

Purpose

Used by Microsoft Clarity. Helps us understand how you use our site by telling us which pages you’ve visited

Expires

1 day

Name

CLID

Purpose

Used by Microsoft Clarity. Identifies if you have previously used another site that also uses Microsoft Clarity

Expires

1 year

Name

MUID

Purpose

Used by Microsoft Clarity. Identifies if you have used any Microsoft sites before (for advertising, site analytics, and other operational purposes)

Expires

13 Months

Name

ANONCHK

Purpose

Used by Microsoft Clarity. Shows if information about your use of Microsoft sites is shared with a cookie called ANID (used for advertising). The ANID cookie is not used on our site, so your information is not shared

Expires

1 year

Name

MR

Purpose

Used by Microsoft Clarity. Indicates whether to refresh the information from the MUID cookie

Expires

1 year

Name

SM

Purpose

Used by Microsoft Clarity. Used to synchronise the information from the MUID cookie across Microsoft sites

Expires

1 year

These cookies help us show you relevant adverts for our health campaigns on social media, such as Facebook or Twitter.

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List of cookies that help with health campaigns
Name Purpose Expires
Name

_gcl_au

Purpose

Set by Google Tag Manager. Helps us show you more relevant adverts for our health campaigns

Expires

3 months

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Page last reviewed: 16 January 2023
Next review due: 16 January 2026