Viral coefficientWhat it means for you.
The average number of new users each existing user brings in.
Growth Score · Referral & Brand
Definition
What it means
A viral coefficient above one means the user base grows on its own, which is rare. 3 cuts the cost of acquisition. It equals invitations sent per user times the share of invitations that convert.
Referral & Brand
Why it matters, with an example
Even below one, it lowers the cost of every customer you win some other way.
4.
In Growth Score
Part of your score
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Guides that cover it
Referral & Brand
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FAQ
Quick answers
What is Viral coefficient?
The average number of new users each existing user brings in.
Where does it sit in Growth Score?
It belongs to the Referral & Brand pillar, one of the 12 pillars your score is built from.
What should I read next?
Start with Referral program and Growth rate, then browse the other terms in Referral & Brand.
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How does your site score?
Growth Score reads your site and scores its Referral & Brand pillar against sites like yours.
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