What is a referral link?
A referral link is a URL containing a unique identifier that attributes a visitor to the person who shared it. When someone follows the link and later signs up or buys, the system can credit the referrer. It is an attribution mechanism, not a referral in itself.
How attribution works
The identifier in the link is recorded when the visitor arrives, usually in a first-party cookie or in server-side session state. If that visitor converts within the attribution window, the recorded identifier determines who gets credit.
First-party storage matters more than it used to. Third-party cookies are restricted or blocked in most browsers, so referral systems that still depend on them lose attribution silently rather than visibly.
Where referral links fail
Cross-device journeys break them. Someone who taps a link on a phone and signs up on a laptop looks like two unrelated visitors unless there is an authenticated identity connecting the two.
Long consideration cycles break them. A referral link with a thirty-day window will not attribute a B2B purchase that takes four months to decide, which is why link-based attribution suits consumer signups far better than business referrals.
Offline conversations break them entirely. Most business referrals happen in a phone call or over coffee, where no link is ever clicked.
When to use one
Referral links work well for self-serve products where the customer signs up online, quickly, on one device. They work poorly for referrals between businesses, where the natural mechanism is a named introduction and the natural record is a referral logged by a person.
A system that only supports link-based attribution will systematically under-count exactly the referrals that matter most in a B2B network.
MyReferral.systems is a referral network where local businesses hold a category seat, pass referrals to each other, and track every one from introduction through to closed business.
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Last reviewed . Next review due 5 March 2027. Tell us if something here is wrong or out of date.