WCAG version: 2.0
Collection of success criterion published in WCAG version 2.0 in 2008.
2.2.3 No Timing
Unless it’s a live broadcast or something else that’s happening in real time, there are no time constraints placed on the user.
2.2.4 Interruptions
Pop-ups, notifications, and other interruptions can be switched off.
2.2.5 Re-authenticating
If a logged-in session expires mid-way through a task, any data entered after expiry is kept, so that they don’t have to re-enter it when they log in again.
2.3.1 Three Flashes or Below Threshold
Flashing content must not exceed three flashes per second unless it is within safe limits.
2.3.2 Three Flashes
Flashing content must never exceed three flashes per second, without exceptions.
2.4.1 Bypass Blocks
‘Skip links’ are available for keyboard users to jump past navigation.
2.4.2 Page Titled
Each page has a unique title element that describes what’s on that page.
2.4.3 Focus Order
When a keyboard user tabs through a page, the order goes from top to bottom and left to right, as you would read the page.
2.4.4 Link Purpose (In Context)
A link’s destination must be clear from either the link text itself or the surrounding sentence context.
2.4.5 Multiple Ways
Header navigation is not the only way to get around a website; there’s another way, such as on-page links, a sitemap, or a site-wide search.
