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This guide explains how Mention Me defines and attributes new referred customers.

Definition of a new (referred) customer

A referee who purchases on your website for the first time is considered a new referred customer. Mention Me uses the email address as the unique identifier. By default, voucher code usage is also tracked, but only if the code is for your website and is single-use. Codes for third parties (e.g. Amazon Gift Cards) or multi-use codes are not used for attribution. This behaviour can be disabled on a merchant-by-merchant basis if you prefer email-only attribution.

New customer acquisition

Clients often track referral performance using code redemptions, but this overlooks customers who haven’t used a code. Mention Me uses email addresses to identify whether new customers have been referred and by whom. For example, if a referee’s code only applies to certain items but they purchase something else, Mention Me still counts them as an introduced customer.

Attribution model

Mention Me uses first-click attribution. If Sally clicks a referral link shared by a friend and registers for an offer, but later places her first order using a different promotion (e.g. a new customer discount), Mention Me still attributes her to referral — because that’s how she originally discovered the brand.

Why Mention Me data differs from Google Analytics

Discrepancies between Mention Me and other attribution tools (e.g. Google Analytics) are common. Key reasons:
  1. Different attribution models: Mention Me uses first-click attribution. Google Analytics typically uses last-click. Mention Me credits the referral interaction; Google Analytics may credit a later source (paid ad, direct visit).
  2. Different identification methods: Mention Me identifies referred customers through email matching. Your tools may track based on voucher code redemption or other methods.
  3. Untrackable referral sources: Some methods, like Name Share, aren’t fully trackable in Google Analytics. A friend referred via Name Share in conversation will likely visit your site organically or via search. Google Analytics attributes this as Direct or Paid Search; Mention Me recognises it as a referral through email matching.
Every customer attributed to Mention Me has had a genuine interaction with a referrer — whether through a direct link or a casual conversation. These interactions play a meaningful role in driving conversions, even when untracked by other platforms.
Last modified on March 31, 2026