WCAG version: 2.1
Collection of success criterion published in WCAG version 2.1 in 2018. Notably adds mobile, low vision, and cognitive updates.
2.3.2 Three Flashes
Content must not flash, blink, or flicker more than three times per second (no exception, not even if it meets safety thresholds).
2.3.3 Animation from Interactions
Animations triggered by interaction (e.g. on click, hover, tap) must be able to be disabled through system settings (e.g. “reduce motion”), or turned off using a site-level option.
2.4.1 Bypass Blocks
It must be possible to skip repeated blocks of content (e.g. navigation, header) and jump directly to the main part of the page.
2.4.2 Page Titled
Each page must have a unique and descriptive that reflects its topic or purpose.
2.4.3 Focus Order
Focus must follow a logical and meaningful order that preserves relationships and matches how the page is naturally read, regardless of layout or language direction.
2.4.4 Link Purpose (In Context)
The purpose of each link must be clear from the link text itself, or the surrounding context.
2.4.5 Multiple Ways
At least two different ways must be available to find pages or content (e.g. navigation menus, on-page links, site search, or a sitemap).
2.4.6 Headings and Labels
Headings must describe what follows. Labels and buttons must clearly communicate what information is needed or what action will happen.
2.4.7 Focus Visible
A visible indicator must show which element is currently focused when navigating with a keyboard.
2.4.8 Location
It must be clear where you are within a set of pages (e.g. using breadcrumbs, highlighted menu items, or headings).
