# Testing SaaS Onboarding Flows: Where Most Products Lose Users

**Jan 17, 2025**  
**Author:** Yunhao Jiao

Your SaaS onboarding flow is the highest-leverage feature in your product. Every user hits it. Every bug costs a conversion. A broken step 3 of 5 means the user never sees the product.

Despite this, onboarding flows are among the least-tested features. They're built once, iterated rarely, and tested manually by people who already know the product.

The users who encounter bugs — new signups — never tell you. They just leave.

## Why Onboarding Bugs Are Invisible

New signups who hit a bug aren't invested enough to report it. A paying customer might email support. A new signup just closes the tab. This creates a silent conversion leak invisible in analytics.

## What to Test

**Signup:** Email validation (including unusual formats), password creation, OAuth for every provider, duplicate email handling, confirmation email delivery.

**Initial setup:** Every path through the wizard. Optional steps: both completing and skipping. Going back and changing earlier answers.

**First value moment:** Whatever delivers the first "aha" — complete flow including error states.

**Invitations:** Invite flow, acceptance flow, edge cases (existing user, revoked invite, expired invite).

TestSprite generates and runs tests for all these flows on every PR. When a code change breaks onboarding, the test catches it before production silently kills your conversion rate.

[Try TestSprite free →](/content/auth/cognito/sign-up/index.html)

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