Advertising Cloud Cookies

Advertising Cloud uses cookies to map ad engagement events to conversion events and, potentially, to use that information to optimize ad bids.

Cookie Name: _lcc

Attribute Description

Information Stored

IDs and time stamps (in the format yyyymmdd) of display clicks

Expiration

15 minutes/p>

Usage

A third-party cookie used to determine if a click event on a display ad applies to an Adobe Analytics hit

Location

everesttech.net

Size

52 bytes

Cookie Name: adcloud

Attribute Description

Information Stored

The surfer ID, timestamps ofthe surfer's last visit to the advertiser’s website and the surfer's last search click, and the ef_id that was created when the userclicked an ad/p>

Expiration

2 years

Usage

A first-party cookie that associates the surfer ID with relevant audience segments and conversions

Information about the last visit is used to optimize page load times by avoiding unnecessary requests to Adobe servers.

Information about the last search click helps determine if a conversion event was the result of a click or a view-through (conversion resulting from impressions but no clicks).

Location

The advertiser's top-level domain (such as example.com)

Size

Variable, but typically 50-150bytes

Cookie Name: ev_sync_*

(ev_sync_ax, ev_sync_bk, ev_sync_dd, ev_sync_fs, ev_sync_ix, ev_sync_nx, ev_sync_ox, ev_sync_pm, ev_sync_rc, ev_sync_tm, ev_sync_yh)

Attribute Description

Information Stored

The date when synchronization will be performed, in the format yyyymmdd

Expiration

The date when synchronization will be performed, in the format yyyymmdd

Usage

A third-party, ad exchange-specific cookie that syncs the Advertising Cloud surfer ID with the partner ad exchange. It's created for new surfers and sends a synchronization request when it's expired.

Location

everesttech.net

Size

8 characters

Cookie Name: everest_g_v2

Attribute Description

Information Stored

The browser and surfer ID

Expiration

2 years

Usage

Created after a user initially clicks a client's ad, and used to map the current and subsequent clicks with other events on the client's website

Location

everesttech.net

Size

~27 characters

Cookie Name: everest_session_v2

Attribute Description

Information Stored

The session ID

Expiration

When the browser is closed

Usage

A third-party browser session cookie; one cookie is used for all accounts

Location

everesttech.net

Size

~16 characters

Cookie Name: ev_tm

Attribute Description

Information Stored

Advertising Cloud DSP (Demand Side Platform) ID

Expiration

2 years

Usage

A third-party cookie that stores the DSP ID that corresponds to the surfer ID in the everest_g_v2 cookie

Location

everesttech.net

Size

~20 bytes

Cookie Name: _tmae

Attribute Description

Information Stored

Encoded IDs and time stamps for ad engagements using Advertising Cloud DSP tracking

Expiration

1 year

Usage

A third-party cookie that stores user engagements with ads, such as “last seen ad xyz123 on June 30, 2016”

Location

everesttech.net

Size

Variable; data is encoded and typically less than 1 KB