Target contacts by what they opened, clicked and bought.

Keep one record per address and build segments from clicks, opens, conversions and validation results. Import from files or the API.

Import without duplicates

Upload a spreadsheet and the columns are matched for you. Existing contacts are updated, never duplicated.

Store up to 150 custom fields

Up to 150 custom fields per account, from text and numbers to dates.

Target opens, clicks and conversions

Find people by how often they opened, clicked or converted, for any send, content or brand.

See each contact's full history

Every list, suppression, delivery, click, conversion and dollar of revenue for one address.

Read the docs

In the app

Build precise segments from lists, actions and fields

Combine the lists a contact is on, what they did, and what you know about them. The segment shows how many contacts match.

Name	Set by	What it does	Lasts
ee_website_visitor	EmailElement	Limits how many messages one browser can send to our chat assistant, Eli	1 year
ee_cookie_consent	EmailElement	Remembers your cookie choices	1 year
__cf_bm	Cloudflare	Tells people apart from bots, so Cloudflare can block automated traffic. It holds no personal data.	30 minutes

Name	Set by	What it does	Lasts
_ga	Google	Tells one browser's visits apart from another's	2 years
_ga_<id>	Google	Keeps track of the current visit	2 years

Name	Set by	What it does	Lasts
_gcl_au	Google	Links a Google Ads click to a sign-up, so we can see which ads lead to new accounts	90 days
_gcl_ls	Google	Keeps the Google Ads click details in browser storage when the cookie cannot be set	90 days
IDE	Google	Shows our ads to people who visited this website, on other sites in Google's ad network	13 months
_uetsid	Microsoft	Links a Microsoft Advertising click to what you do on this visit	1 day
_uetvid	Microsoft	Recognizes a returning visitor, so Microsoft Advertising can credit a sign-up to an earlier ad click	13 months
MUID	Microsoft	Identifies your browser across Microsoft sites, used by Microsoft Advertising	13 months
_fbp	Meta	Recognizes your browser, so Meta can credit a sign-up to an ad on Facebook or Instagram and show our ads to past visitors	90 days
_rdt_uuid	Reddit	Recognizes your browser, so Reddit can credit a sign-up to an ad on Reddit	90 days
bcookie	LinkedIn	Identifies your browser to LinkedIn, used by the LinkedIn Insight Tag	1 year
UserMatchHistory	LinkedIn	Matches your visit to your LinkedIn profile, so LinkedIn can credit ads and show our ads to past visitors	30 days
ee-ad-source	EmailElement	Remembers the ad that brought you here, so a new account can be credited to it. Kept in browser storage rather than a cookie.	90 days