- Success Criterion 3.3.4
- Conformance level AA
Binding Purchase Submitted With No Review Step Beforehand
3.3.4 — Error Prevention (Legal, Financial, Data)
Scenario
Setting
An e-book reader's library page
What’s wrong
No numbered W3C failure technique exists for this rule — it fails simply when the required feature/behavior is missing or inadequate (see the scenarios below).
Example
Here's what happens on an e-book reader's library page: no numbered W3C failure technique exists for this rule — it fails simply when the required feature/behavior is missing or inadequate (see the scenarios below).
Why it matters
Everyone in legal, financial, or data-changing flows — especially people prone to input mistakes. Here, on an e-book reader's library page, the result is they can't complete the form at all.
How to test
Complete a binding purchase/submission: check for a review step, confirmation checkbox, or cancel/undo window before it's final — absence of all three fails.
How to fix
The submission must be reversible, checked with a chance to correct, or confirmed through an editable review step.
Outcome
After the fix, the same visitor to an e-book reader's library page can now see exactly what went wrong and how to fix it.
Who is affected
Everyone in legal, financial, or data-changing flows — especially people prone to input mistakes.
Learn more
- Understanding Understanding document (opens in a new tab)
Related scenarios
- One-Click Order Placed With No Chance to Review It First
- Permanent Data Deletion With No Confirmation or Undo
- Legal Commitment Submitted With No Review-and-Confirm Step
- Review Page That Isn’t Actually Editable Before Final Submission
- Financial Transfer Form That Never Confirms the Entered Details
- Exam Answer Locked In Instantly With No Chance to Review