![]() Anyone can become epileptic over the course of their life and more than 1.2% of the U.S. Seizures appear differently in different individuals and may look like a staring spell or can cause a person to collapse, shake, lose consciousness, and injure themselves in the process.Įpilepsy, the disorder that causes seizures, can be caused by brain conditions. There are different types of seizures, some are generalized and affect both sides of the brain while others are focal, meaning they are located in a small part of the brain. Seizures are sudden and uncontrollable electrical events that happen in the brain. People who have photosensitive epilepsy have seizures that are triggered by light. Some people are even more sensitive to red flashing than to other colors, so it is even more important to make sure your website does not contain saturated red flashing. Seizures can be triggered by content that flashes at certain frequencies for more than a few flashes, typically this is known to be more than three flashes per second. Important Note: Content that flashes or flickers can trigger seizures in susceptible people. Impact on Accessibility Blinking content can trigger seizuresīlinking and scrolling content can be distracting and frustrating for users, but more importantly, blinking or flashing content specifically may have particularly adverse effects on individuals with certain cognitive disabilities, especially some seizure disorders. See “ A Slider is Present” for more information. In order to ensure that sliders and videos are accessible, if a slider or video is present on the page, we’ll flag its presence so that you can manually confirm that the video or slider does not contain rapid blinking or scrolling. We are not currently able to test for and automatically flag blinking or scrolling content that is contained within a video or added via JavaScript (for example sliders). It is important to note that there are some limitations to Accessibility Checker’s test for scrolling and blinking content.Ĭurrently, we are able to identify blinking or scrolling content that is made to blink or scroll with HTML tags or CSS text-decoration. Limitations of our blinking or scrolling content test If any of these are present a Blinking or Scrolling Content error will be flagged. While auditing your page or post content, Accessibility Checker will look at both the HTML structure of the page and also the CSS to determine if one or multiple of the following is present: ![]() How does Accessibility Checker test for blinking or scrolling content? If you see the “Blinking or Scrolling Content” error in an Accessibility Checker audit of your WordPress site, that means that we have identified that one or more of the content elements on your website has a blinking or scrolling function applied to it either view CSS or in the HTML. What does the blinking or scrolling content error mean? Common types of scrolling content include sliders and news or recent post tickers. Scrolling content is an element that continuously scrolls vertically or horizontally and cannot be stopped by a user. How to find blinking or scrolling content not identified by Accessibility CheckerĪbout the Blinking or Scrolling Content Error What is blinking or scrolling content?īlinking content exists on your website if any part of the site, whether text, images, videos, or graphic elements, blinks or flashes repeatedly.How to find blinking or scrolling content on your WordPress post or page with Accessibility Checker.How to Fix a Blinking or Scrolling Content Error.2.3.1 Three Flashes or Below Threshold – Level A.Limitations of our blinking or scrolling content test.How does Accessibility Checker test for blinking or scrolling content?.What does the blinking or scrolling content error mean?.About the Blinking or Scrolling Content Error.
0 Comments
Leave a Reply. |