Level AAUnderstandableNew in 2.2
3.3.8

Accessible Authentication (Minimum)

Logging in must not require a memory or puzzle test, let people paste passwords and use password managers.

In plain English

Login screens often quietly exclude people: they demand you remember a password and type it perfectly, or solve a distorted-text CAPTCHA, or complete a puzzle. Those are memory and problem-solving tests, and they are exactly what people with cognitive differences, dyslexia, or memory conditions struggle with. This rule, new in WCAG 2.2, says login must not rely on a test like that, unless there is an easier alternative.

The simplest way to comply: let people use the tools that already help them. Allow paste, allow password managers, allow autofill.

Who this is for

  • People with memory or cognitive differences, for whom “remember and retype this” is a wall.
  • People with dyslexia, who find CAPTCHAs and exact recall especially hard.
  • Everyone, who logs in faster with a password manager.

How to check and fix it yourself

Try logging in with a password manager and by pasting the password. If either is blocked, that is the problem. Remove anything that disables paste, and do not block autofill.

Password field allows paste + autofill              ✓
Login offers email-link ("magic link") as an option ✓
Puzzle/text CAPTCHA as the only way in               ✗  (add an alternative)

Where we can help

Authentication barriers are easy to ship without realizing, a “no paste” rule or a CAPTCHA added for spam can quietly fail this. In an audit we test your login, account, and checkout-as-guest flows and flag anything that blocks supporting tools. It is one of the new WCAG 2.2 criteria and a common item on the failures list.

How to meet it

Techniques the W3C accepts as sufficient (summarized). Follow a link for the full method.

Frequently asked questions

What does accessible authentication require?+

Success Criterion 3.3.8 (Level AA, new in WCAG 2.2) says login must not depend on a cognitive function test, such as remembering a password or solving a puzzle or CAPTCHA, unless there is an alternative, the test can be done by a supporting tool (like allowing password managers), or it is object recognition or identifying your own content.

Does this mean I can't use passwords?+

You can use passwords, as long as you let supporting tools help. That means allowing paste into the password field and not blocking password managers or browser autofill. What you cannot do is force people to memorize and re-type a password with no help, or solve a puzzle CAPTCHA with no alternative.

Are CAPTCHAs allowed?+

Traditional puzzle or text CAPTCHAs are a cognitive function test and fail unless you offer an alternative. Better options include letting a password manager fill credentials, email or link-based login, or modern checks that don't require solving a puzzle.

Reference

This is a plain-language explainer. The authoritative source is the W3C Web Content Accessibility Guidelines (WCAG) 2.2.

WCAG 2.2 © W3C. Excerpts are paraphrased; see the linked documents for the normative text.

Not sure if your store passes 3.3.8?

A human auditor checks this and every other criterion against your live store, and documents the result.

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