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AT Internet cookies

smarttag.js

Name	Lifetime	Who places the Cookie	For which account	Reason	Type	Technique	If deleted?	Comments
atidvisitor	6 months by default, modifiable	AT Internet	AT Internet	List of numsites encountered by the visitor and storage of identified visitor information	Audience measurement	HTTP cookie	Addition of &vrn=1 to hits and lack of identified visitor information
atreman	30 days by default, modifiable	AT Internet	Client	Keeps a prior attribution campaign in memory	Audience measurement	HTTP cookie	No more prior attribution campaigns
atredir	30 seconds by default, modifiable	AT Internet	Client	Keeps the information to transmit during a JS redirect	Audience measurement	HTTP cookie	Loss of information to be transmitted during a redirect
atsession	30 minutes by default, modifiable	AT Internet	Client	List of new campaigns encountered during a visit, in order to avoid measuring the same campaign several times	Audience measurement	HTTP cookie	Campaigns already encountered during the visit can be sent again.
atuserid	13 months by default, modifiable	AT Internet	AT Internet	Visitor ID for client-side cookie sites	Tracking	HTTP cookie	No unique visitor ID for client-side cookie sites
atauthority	13 months by default, modifiable	AT Internet	AT Internet	Keeps the visitor privacy mode activated by the visitor.	Audience measurement	HTTP cookie	Potential loss of the current visitor privacy mode.
attvtreman	30 days by default, modifiable	AT Internet	Client	Keeps the TV Tracking prior attribution campaign in memory	Audience measurement	HTTP cookie	No more TV Tracking prior attribution campaigns	Outdated
attvtsession	30 minutes by default, modifiable	AT Internet	Client	List of TV Tracking campaigns encountered during a visit	Audience measurement	HTTP cookie	TV Tracking campaigns already encountered during the visit can be sent again.	Outdated
atwebosession	30 minutes by default, modifiable	AT Internet	Weborama	Store Weborama data (last action, cID, errors)	Audience measurement	HTTP cookie	Will call Weborama API again, which can lead to data inconsistency

xtcore.js

Name	Lifetime	Who places the Cookie	For which account	Reason	Type	Technique	If deleted?	Comments
xtor	1 to several days, 20-30 days by default, modifiable	AT Internet	Client	Keeps a prior attribution campaign in memory.	Audience measurement	HTTP cookie	No more prior attribution campaigns
xtor + numsite	1 to several days, 20-30 days by default, modifiable	AT Internet	Client	Keeps the prior attribution campaign in memory. Attributed to a unique numsite (modifiable).	Audience measurement	HTTP cookie	No more prior attribution campaigns
xtdate	1 to several days, 20-30 days by default, modifiable	AT Internet	Client	Date of cookie placement for a prior attribution campaign, enables you to measure the length (duration) of the campaign’s attribution	Audience measurement	HTTP cookie	Prior attribution duration is no longer calculated
xtdate + numsite	1 to several days, 20-30 days by default, modifiable	AT Internet	Client	Date of cookie placement for a prior attribution campaign, enables you to measure the length (duration) of the campaign’s attribution. Attributed to a unique numsite (modifiable).	Audience measurement	HTTP cookie	Prior attribution duration is no longer calculated
xtgo	30 sec	AT Internet	AT Internet	Technical value determining the origin of a campaign transmitted during a JS redirect (xtsite=’redirect’)	Audience measurement	HTTP cookie	Faulty processing of campaigns
xtord	30 sec	AT Internet	Client	Campaign transmitted during a JS redirect (xtsite=’redirect’)	Audience measurement	HTTP cookie	Loss of campaign to be transmitted during a redirect
xtocl	30 min	AT Internet	Client	List of new campaigns encountered during a visit, in order to avoid measuring the same campaign several times.	Audience measurement	HTTP cookie	Campaigns already encountered during the visit can be sent again.
xtocl + numsite	30 min	AT Internet	Client	List of new campaigns encountered during a visit, in order to avoid measuring the same campaign several times. Attributed to a unique numsite (modifiable)	Audience measurement	HTTP cookie	Campaigns already encountered during the visit can be sent again.
xtidc	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	AT Internet	Visitor ID for intranet site, or when server-side cookies are disabled (ex: User-agent containing safari/iPhone/iPad/iPod)	Tracking	HTTP cookie	No more visitor ID in cases of disabled server-side cookies or intranet cookies.
xtvid	30 min	AT Internet	Client partners	Visitor ID for partners, when enabled (xt48)	Audience measurement	HTTP cookie	Impact on partner’s measurement
xtide	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Client	Email subscriber ID, provided by the client campaign	Audience measurement	HTTP cookie	Loss of email subscriber measurement
xtan	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Client	Numeric ID, provided by the client when a user logs on to the client’s site	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtan + numsite	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Client	Numeric ID, provided by the client when a user logs on to the client’s site. Attributed to a unique numsite (modifiable).	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtat	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Client	Text ID, provided by the client when a user logs on to the client’s site.	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtat + numsite	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Client	Text ID, provided by the client when a user logs on to the client’s site. Attributed to a unique numsite (modifiable).	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtanrd	30 sec	AT Internet	Client	Numeric ID retrieved from a redirect page (xtsite=’redirect’)	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtatrd	30 sec	AT Internet	Client	Text ID retrieved from a redirect page (xtsite=’redirect’)	Audience measurement	HTTP cookie	Loss of identified visitor measurement
xtant	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	AT Internet	Technical value linked to identified visitor management (xtan/xtat)	Audience measurement	HTTP cookie	Faulty processing of identified visitor measurement
xtant + numsite	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	AT Internet	Technical value linked to identified visitor management (xtan/xtat). Attributed to a unique numsite (modifiable).	Audience measurement	HTTP cookie	Faulty processing of identified visitor measurement
xtref	30 sec	AT Internet	Client	Visit source referrer to forward during a redirect (xtsite=’redirect’)	Audience measurement	HTTP cookie	Loss of visit source referrer, the redirect page becomes the visit source
xtvalCZ	45 sec	AT Internet	AT Internet	ClickZone data (clicks/display zones/scrollview) for a click considered as navigation on the same domain	Audience measurement	HTTP cookie	Loss of clickzone data	Clickzone
xtvrn	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	AT Internet	List of numsites encountered by the visitor	Audience measurement	HTTP cookie	Addition of &vrn=1 to hits
xttvt	30 min	AT Internet	AT Internet	TV Tracking data related to the session/visit	Audience measurement	HTTP cookie	Loss or faulty measurement of tvtracking during the visit	TVTracking
xttvtr	1 to several days, 30 days by default, modifiable	AT Internet	Client	Prior attribution TV Tracking data	Audience measurement	HTTP cookie	Loss of prior attribution measurement	TVTracking
xtatid	30 min	AT Internet	AT Internet	ATConnect ID determining if it’s the first or second time the visitor has loaded the ATConnect file within 30 minutes	Audience measurement	HTTP cookie	Faulty AT connect processing	ATConnect
xtwd	by default, 10 years for old clients, 6 months for new clients, modifiable	AT Internet	Weborama	Partner data (timestamp), which we send to them based on the context (ATConnect)	Audience measurement	HTTP cookie	Loss of data for the partner	ATConnect

Server-side

Name	Lifetime	Who places the Cookie	For which account	Reason	Type	Technique	Flag Secure ?	Flag SameSite ?	If deleted?	Comments
idrxvr	13 months	AT Internet	Client	Legacy visitor ID	Tracking	HTTP cookie	No	No	Changes how we determine a visit/visitor	server-side cookies
atidx	13 months	AT Internet	Client	Secured visitor ID	Tracking	HTTP cookie	Yes	No	Changes how we determine a visit/visitor	server-side cookies
atid	13 months	AT Internet	Client	Main visitor ID	Tracking	HTTP cookie	Yes	`SameSite=None`	Changes how we determine a visit/visitor	server-side cookies
tmst	6 months	AT Internet	AT Internet	Timestamp indicating date of placement of the main visitor ID cookie (placed on .xiti.com in general)	Tracking	HTTP cookie	No	No	Changes how we determine a visit/visitor	server-side cookies

Last update: 14/12/2020

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