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Name	Purpose	Storage duration	Type	Example value
et_oi_v2	Opt-In Cookie stores the visitor's decision when the tracking opt-in is played on the customer's page. Also used for an eventual opt-out.	"no" - 50 years "yes" - 480 days	First-party, local storage	yes, no\|3138274773810
et_allow_cookies	When using data-block-cookies, this cookie is set to "1" by the API call _etracker.enableCookies() to indicate that etracker is allowed to set cookies. The cookie will be deleted when _etracker.disableCookies() is called.	"1" - 480 days	First-party, local storage	1, 1\|1612600938445
et_oip	When using Signalize: Opt-in cookie for "Signalize". If the customer chooses "no", the cookie is set with the value "no" and a validity of 30 days. If the customer chooses "x" or presses the ESC key (no decision), the cookie is set with the value "no" for the validity of 1 day. If the customer rejects the native browser dialog, the value "denied" is set for 30 days. If the customer agrees, the cookie is set with the value "yes" for 30 days. The values are updated based on the browser settings when the customer revisits the page. If the customer agrees to the wallet opt-in, then the cookie is set with "yes" for 480 days. If the customer does not make a decision, the cookie is set with the value "undefined" and a duration of 0 days.	"no" - 30 days "no" (Session) 1 day "yes" 480 days "yes" 30 days "denied" 30 days "undefined" 0 days	First-party, local storage	no, no\|3123100800000
cntcookie	Exclusion from the count (list of account IDs).	4 years	Third-party	1234%7C4567
et_scroll_depth	Data for the scroll depth measurement	Browser session	Session storage	{"foo":{"buckets":{"0":{"stayTime":954594,"to":9,"from":0},"10":{"stayTime":954594,"from":10,"to":24},"25":{"stayTime":0,"from":25,"to":49},"50":{"stayTime":0,"from":50,"to":74},"75":{"stayTime":0,"from":75,"to":100},"101":{"stayTime":0,"from":101,"to":1000000}},"tm":1561467961409,"lastBuckets":["0","10"]}}

Name

Purpose

Storage duration

Type

Example value

et_oi_v2

Opt-In Cookie stores the visitor's decision when the tracking opt-in is played on the customer's page. Also used for an eventual opt-out.

"no" - 50 years
"yes" - 480 days

First-party, local storage

yes, no|3138274773810

et_allow_cookies

When using data-block-cookies, this cookie is set to "1" by the API call _etracker.enableCookies() to indicate that etracker is allowed to set cookies. The cookie will be deleted when _etracker.disableCookies() is called.

"1" - 480 days

First-party, local storage

1, 1|1612600938445

et_oip

When using Signalize: Opt-in cookie for "Signalize". If the customer chooses "no", the cookie is set with the value "no" and a validity of 30 days. If the customer chooses "x" or presses the ESC key (no decision), the cookie is set with the value "no" for the validity of 1 day.
If the customer rejects the native browser dialog, the value "denied" is set for 30 days. If the customer agrees, the cookie is set with the value "yes" for 30 days. The values are updated based on the browser settings when the customer revisits the page.
If the customer agrees to the wallet opt-in, then the cookie is set with "yes" for 480 days.
If the customer does not make a decision, the cookie is set with the value "undefined" and a duration of 0 days.

"no" - 30 days

"no" (Session) 1 day

"yes" 480 days

"yes" 30 days

"denied" 30 days

"undefined" 0 days

First-party, local storage

no, no|3123100800000

cntcookie

Exclusion from the count (list of account IDs).

4 years

Third-party

1234%7C4567

et_scroll_depth

Data for the scroll depth measurement

Browser session

Session storage

{"foo":{"buckets":{"0":{"stayTime":954594,"to":9,"from":0},"10":{"stayTime":954594,"from":10,"to":24},"25":{"stayTime":0,"from":25,"to":49},"50":{"stayTime":0,"from":50,"to":74},"75":{"stayTime":0,"from":75,"to":100},"101":{"stayTime":0,"from":101,"to":1000000}},"tm":1561467961409,"lastBuckets":["0","10"]}}

Name	Purpose	Storage duration	Type	Example value
_et_coid	Cookie recognition	2 years or configurable	First-party, local storage	108bf9a85547edb1108bf9a85547edb1
isSdEnabled	Detection of whether the scroll depth is measured for the visitor.	24 hours	First-party	true
BT_sdc	Contains Base64-encoded data of the current visitor session (referrer, number of pages, number of seconds since the start of the session, smart messages displayed in the session), which is used for personalization purposes.	Duration of the session	First-party	eyJldF9jb2lkIjoiTkEiLCJy...DMzNTYzNzM 3LCJwaSI6NH0=
BT_pdc	Contains Base64 encoded visitor history data (is customer, newsletter recipient, visitor ID, smart messages displayed) for personalization.	1 year	First-party	eyJldGNjX2N1c3QiOjAsImVj...GNjX25l d3NsZXR0ZXIiOjB9
BT_ecl	Contains a list of project IDs for which the visitor is excluded. This cookie is set by the web service if the client has configured that not all visitors are assigned to a test, but only to a certain fraction.	30 days	First-party	BT-6037799f213de9e9961facc224b69
signalizeIsSubscriber	When using Signalize: Notes whether a visitor is also a Signalize subscriber. The entry is only set if this is the case. If the subscriber unsubscribes, the entry is deleted during the next PI.	Until unsubscription*	Local storage	true
signalizeSubscriptionChecked	When using Signalize: Prevents rechecking a subscription on every PI → reduces server requests. Set only if the visitor is a subscriber.	Browser session	Session storage	true

Name

Purpose

Storage duration

Type

Example value

_et_coid

Cookie recognition

2 years or configurable

First-party, local storage

108bf9a85547edb1108bf9a85547edb1

isSdEnabled

Detection of whether the scroll depth is measured for the visitor.

24 hours

First-party

true

BT_sdc

Contains Base64-encoded data of the current visitor session (referrer, number of pages, number of seconds since the start of the session, smart messages displayed in the session), which is used for personalization purposes.

Duration of the session

First-party

eyJldF9jb2lkIjoiTkEiLCJy...DMzNTYzNzM

3LCJwaSI6NH0=

BT_pdc

Contains Base64 encoded visitor history data (is customer, newsletter recipient, visitor ID, smart messages displayed) for personalization.

1 year

First-party

eyJldGNjX2N1c3QiOjAsImVj...GNjX25l

d3NsZXR0ZXIiOjB9

BT_ecl

Contains a list of project IDs for which the visitor is excluded. This cookie is set by the web service if the client has configured that not all visitors are assigned to a test, but only to a certain fraction.

30 days

First-party

BT-6037799f213de9e9961facc224b69

signalizeIsSubscriber

When using Signalize: Notes whether a visitor is also a Signalize subscriber. The entry is only set if this is the case. If the subscriber unsubscribes, the entry is deleted during the next PI.

Until unsubscription*

Local storage

true

signalizeSubscriptionChecked

When using Signalize: Prevents rechecking a subscription on every PI → reduces server requests. Set only if the visitor is a subscriber.

Browser session

Session storage

true

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