F100: Failure of Success Criterion 1.3.4 due to showing a message asking to reorient device

Corpus WCAG 2.2Applies to WCAG 2.1, 2.2Level AAAutomatable: yes

Summary: showing a message asking to reorient device

Why it fails: This page reproduces the F100 failure pattern so auditors can verify detection against 1.3.4.


Failure technique

Understanding

Quickref

In landscape, a reorientation message replaces the content instead of allowing both orientations.

Intentional failure — audit this region

F100

Please rotate your device to portrait mode to continue.

Main specimen content.

<div class="f100-overlay">Please rotate your device to portrait mode to continue.</div>
<p class="f100-content">Main specimen content.</p>
Expected audit result

Manual check: Confirm the specimen demonstrates the documented F100 failure in isolation.