All tools

FREE ACCESSIBILITY CHECKER

Accessibility checker: is your website accessible?

Use this accessibility checker to test your website against WCAG 2.1 level AA, the standard the European Accessibility Act refers to.

WHAT THE CHECKER TESTS

WCAG 2.1 level AA

WCAG is the international set of guidelines for accessible websites. Level AA is the level EU law points to: the European Accessibility Act refers to it through the European standard EN 301 549.

You can read exactly what WCAG and the EAA ask of your website in the article on website accessibility.

  • Color contrast (at least 4.5:1)

    Text stands out enough for people with low vision to read it

  • Image descriptions for screen readers (alt text)

    Images have a description for screen readers

  • Buttons with a name

    Even a button with only an icon has a name

  • Clear link text

    A link says where it goes

  • Headings in the right order

    H1 through H6 follow each other logically

  • Page language

    Screen readers know which language to read aloud in

  • Form fields with a label

    Every field in a form has a label

  • Screen reader hints (ARIA)

    The extra code for screen readers is complete and correct

  • Zooming

    Visitors can zoom in on their phone

AUTOMATED OR BY HAND

What this checker can and can't do

What this checker does

  • Tests the WCAG criteria that can be measured automatically
  • Checks color contrast, alt text and labels, among other things
  • Finds common mistakes
  • Gives you a first picture of your page

What this checker can't do

  • Judge whether your alt text actually fits the image
  • Test whether keyboard navigation is logical
  • Test complex parts, such as pop-ups and forms
  • Guarantee that your site fully meets WCAG

The checker runs 14 automated checks based on WCAG 2.1, including contrast, alt text, headings, link text, buttons, language, labels, zooming and ARIA. For the rest of the criteria, someone has to go through the site by hand.

EUROPEAN ACCESSIBILITY ACT

What the EAA means for you

Since June 28, 2025, many businesses that serve consumers in the EU have had to make their websites and apps meet the European Accessibility Act (EAA). For your website, that comes down to WCAG 2.1 level AA.

Who the EAA applies to

The law applies to digital services for consumers, such as online stores, banks, insurers and telecom. Microenterprises that provide services (fewer than 10 employees and an annual revenue or balance sheet total of no more than €2 million) are exempt.

Apart from the law, an accessible website also reaches more people: older people, people with a disability, or someone with a broken arm.

OTHER FREE TOOLS

Keep checking

Every tool is free and works without an account.

Website checker

One score for the SEO, speed, security, technical setup and accessibility of a page.

Go to the tool

Keyword rank checker

Up to 10 search terms that fit what you offer, and whether you are already on page 1 of Google.

Go to the tool

SEO checker

Whether Google can read your page properly, and why each point matters.

Go to the tool

Keyword research tool

How often people search for your keywords, up to 10 at once, with the trend over a year.

Go to the tool

Website speed test

How fast your page loads on a phone.

Go to the tool

AI checker

Whether a Dutch text was written by a person or by AI.

Go to the tool

FREQUENTLY ASKED QUESTIONS

Questions about accessibility and the EAA

The European Accessibility Act (EAA) has been in force since June 28, 2025. In the Netherlands, the Authority for Consumers and Markets (ACM) oversees compliance and can impose fines. Research by the ACM shows that most of the largest Dutch online stores do not yet meet the accessibility requirements. You can read exactly what the research showed in the article on the ACM study of web accessibility.

The EAA is European legislation that has been in force since June 28, 2025. It requires businesses to make digital services accessible to people with disabilities. Each EU country has to write the EAA into its own national law.

The EAA applies to businesses that offer digital services to consumers, such as online stores, banks, insurers, telecom providers and e-learning platforms. B2B services are generally not covered, unless they're also offered to consumers.

Yes. Microenterprises that provide services are exempt. Those are businesses with fewer than 10 employees and an annual revenue or balance sheet total of no more than €2 million. If you're not sure whether that applies to your business, have it checked by a legal expert.

WCAG 2.1 AA is the level EU accessibility law currently points to, through the European standard EN 301 549. WCAG 2.2 (2023) adds 9 new success criteria, mostly about mobile use and cognitive accessibility. It's wise to follow WCAG 2.2 already, but it isn't formally required yet.

No. This checker only tests the WCAG criteria that can be measured automatically. To show that your site meets WCAG, you also need manual tests, such as using the site with only the keyboard and having it read aloud by a screen reader.

Start with color contrast and alt text: those cause visitors with a disability the most trouble. Then work through the other items. If you have a lot of errors, have a specialist go through the whole site.

Test after every big change to your website. If you change the site often, run the check every month. If your business falls under the EAA, also have a specialist test everything by hand every year.

VIZIBLY QUICK SCAN

Free Quick Scan of your whole site

This checker looks at one page. If you request the free Quick Scan, I look at your whole site and your market myself. I build websites with accessibility designed in from the start.

Prefer to talk first? Schedule a call.

Request the free Quick Scan

Two short steps. It takes less than a minute.

Step 1 of 2

A few short questions follow. You can leave them blank.