F102: Failure of Success Criterion 1.4.10 due to content disappearing and not being available when content has reflowed
Corpus WCAG 2.2Applies to WCAG 2.1, 2.2Level AAAutomatable: yes
Summary: content disappearing and not being available when content has reflowed
Why it fails: This page reproduces the F102 failure pattern so auditors can verify detection against 1.4.10.
Failure technique
Understanding
Quickref
Narrow the viewport below 320px — sidebar content disappears with no alternative access.
Intentional failure — audit this region
F102
Main article text reflows here.
<div class="f102-layout">
<aside class="f102-sidebar">Filters and navigation</aside>
<main class="f102-main"><p>Main article text reflows here.</p></main>
</div>Expected audit result
- 1.4.10: fail — Specimen demonstrates failure of 1.4.10.
Manual check: Confirm the specimen demonstrates the documented F102 failure in isolation.