| Title | Image that violates general flash threshold |
|---|---|
| Description | Document containing a single image with flashing content that violates the general flash threshold. The image is an animated GIF with an endless loop, included by means of an img element. |
| Creator | BenToWeb (Reinhard.Ruemer@…) |
| Rights | Copyright BenToWeb 2004-2007 |
| Language | English |
| Date | 2006-10-23 |
| Status | validated |
Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.
XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)
Feature: img
(namespace: http://www.w3.org/1999/xhtml)
.
Technical specification:
Including an image: the img element
.
ITC Guidance Note for Licensees on Flashing Images and Regular Patterns in Television
This test case is intended to fail because it contains content that violates the general flash threshold.
Accessibility expert.
“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.
The test case fails the following success criterion at line 9, column 13: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#seizure-does-not-violate.
Content may cause seizures due to photosensitivity.
This test case does not map to a WCAG 2.0 technique or failure.
The techniques G15: Ensuring that content does not violate the general flash threshold or red flash threshold, and G19: Ensuring that no component of the content flashes more than three times in any 1-second period are not used.
The test case fails the following success criterion at line 9, column 13: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#seizure-does-not-violate.
Content may cause seizures due to photosensitivity.
Online version: sc2.3.1_l1_002.
The test case fails the following success criterion at line 9, column 13: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#flicker-does-not-violate.
Content may cause seizures due to photosensitivity.
The test case fails the following success criterion at line 9, column 12: URL unknown!.
Content may cause seizures due to photosensitivity.
img element is used to include image with flashing content violating the general flash threshold.