No flashing over threshold (no exceptions)

Test Procedure from the W3C Draft

Quoted from the provision's informative document, informative/guidelines/animation-and-movement/avoid-physical-harm/no-flashing-over-threshold-no-exceptions.md. It is the group's own procedure, not an editorial testing guide.

Methods Suggested Upstream

Implementation methods listed in the informative document.

Intent (Upstream)

W3C Working Group Status

The draft records no open editors' notes on this provision.

W3C Threads on This Provision

No GitHub issue in w3c/wcag3 carries this provision's label, so there is no recorded discussion to show. Cross-cutting threads that name no provision are listed on the Discussions page.

WCAG 2.2 Criteria That Map Here

From this site's reviewed WCAG 2.2 → WCAG 3 map. The map is an interpretation, not a W3C mapping: W3C has not published one yet.

• 📘 2.3.2 Three Flashes Level AAA →

W3C Raw Source Text

Verbatim from guidelines/groups/animation-and-movement/avoid-physical-harm/no-flashing-over-threshold-no-exceptions.md · informative document: informative/guidelines/animation-and-movement/avoid-physical-harm/no-flashing-over-threshold-no-exceptions.md

Flashes are below the general flash and red flash thresholds without a minimum size.

:::applies-when
- Content includes flashes.
:::

:::note
Avoiding flashing entirely is the safest option because some people who may not know they are susceptible to photosensitive seizures, and some people may have a much larger view of content than the default (zoomed in or with the display close to the eye).
:::