David Rusenko - How To Find Product Market Fit
Video from Y Combinator. Watch on YouTube or in the YC Library.
What you'll get
David Rusenko tells how Weebly spent a year and a half searching for product-market fit and what changed once it found it. Around minute 29 he lists the numbers he trusts, users who come back after a day, a week and a month, a high NPS and renewals by customer group, and warns against reading signups as proof.
Do this week
Chart the share of each week's new users who come back after a day, a week and a month, and note whether the later lines level off or keep falling.