WCAG 2.1 • ADA • Section 508 • EAA
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A Lei Europeia de Acessibilidade está agora em vigor. Websites não conformes enfrentam coimas até 44.800€.
accessibility issues
What is a web accessibility checker?
A web accessibility checker is an automated tool that scans websites for WCAG 2.1 and WCAG 2.2 violations: missing alt text, color contrast failures, keyboard navigation barriers, and invalid ARIA attributes. It returns a prioritized fix list covering ADA, Section 508, and European Accessibility Act requirements — in under 30 seconds, no signup required.
Como Funciona
1. Introduza o Seu URL
Cole o endereço do seu website e inicie a análise. Sem registo necessário.
2. Obtenha a Sua Pontuação
Receba uma pontuação detalhada de acessibilidade com problemas específicos identificados.
3. Corrija & Monitorize
Siga recomendações práticas. Adicione o nosso widget para conformidade instantânea.
O Que Verificamos
Conformidade WCAG 2.1 AA
Auditoria completa face aos critérios das Diretrizes de Acessibilidade para Conteúdo Web Nível AA.
Preparação EAA
Verificações específicas para requisitos da Lei Europeia de Acessibilidade.
ARIA & HTML Semântico
Uso adequado de papéis ARIA, marcos de referência e elementos HTML semânticos.
Contraste de Cores
Texto e elementos interativos cumprem rácios de contraste mínimos.
Navegação por Teclado
Toda a funcionalidade acessível apenas via teclado.
Compatibilidade com Leitores de Ecrã
Conteúdo devidamente estruturado para tecnologias de apoio.
Preços Simples e Transparentes
Proteja o seu negócio de coimas EAA. Todos os preços excluem IVA.
Inicial
Perfeito para um único website
- ✓ 1 website monitorizado
- ✓ Análises mensais de acessibilidade
- ✓ Widget de acessibilidade
- ✓ Certificado de conformidade
Pro
Para empresas com múltiplos sites
- ✓ Até 10 websites
- ✓ Análises semanais de acessibilidade
- ✓ Widget de acessibilidade
- ✓ Certificado de conformidade
- ✓ Relatórios PDF & exportação
Agência
Para agências e grandes organizações
- ✓ Até 50 websites
- ✓ Análises diárias de acessibilidade
- ✓ Widget white-label
- ✓ Acesso API ilimitado
Frequently asked questions
Everything you need to know about the web accessibility checker and WCAG compliance.
What is a web accessibility checker?
A web accessibility checker is an automated tool that scans websites for WCAG 2.1 and WCAG 2.2 violations: missing alt text, color contrast failures, keyboard navigation barriers, and invalid ARIA attributes. It returns a prioritized fix list covering ADA, Section 508, and European Accessibility Act requirements — in under 30 seconds, no signup required.
Is this WCAG compliance tool free?
Yes. The one-shot accessibility scan is free and requires no signup — results in about 30 seconds. Paid plans starting at €29 per month add continuous monitoring, team dashboards, downloadable compliance certificates, and REST API access.
Which accessibility standards does it test?
Accessibility Checker tests against WCAG 2.1 and WCAG 2.2 at Level A, AA, and AAA. The same checks cover ADA Title III (United States), Section 508 (US federal agencies), and the European Accessibility Act (EAA) — the three regulations that reference WCAG as their technical baseline.
See our WCAG 3.0 guide for 2026 for what’s changing in the next generation of accessibility standards.
Can the checker detect European Accessibility Act (EAA) violations?
Yes. The EAA has been mandatory since 28 June 2025 for B2C websites selling products or services in the EU, and it requires WCAG 2.1 Level AA conformance. Accessibility Checker flags every criterion the EAA references and issues a compliance certificate you can attach to your accessibility statement.
How accurate are automated accessibility scans?
Automated tools reliably detect 30 to 40 percent of WCAG issues — the machine-detectable ones like missing alt attributes, contrast ratios, ARIA misuse, and heading order. The remaining 60 to 70 percent require human review for context (whether alt text is meaningful, whether a keyboard flow is logical). For legal-grade compliance we recommend pairing the free automated scan with a manual audit.
What WCAG checks does the scanner run?
The scanner runs 21 automated WCAG 2.1 and 2.2 checks per page, covering: missing or empty alt text (1.1.1), insufficient color contrast (1.4.3 and 1.4.11), missing form labels (1.3.1), keyboard focus visibility (2.4.7), missing language attribute (3.1.1), invalid ARIA roles and attributes (4.1.2), missing skip links (2.4.1), and more. Results are grouped by severity: critical, major, and minor.
How do I fix web accessibility issues found by the checker?
Each issue in the report includes a specific fix description. The most common fixes are: adding descriptive alt attributes to images, increasing text contrast ratios to 4.5:1 minimum, associating form inputs with label elements, ensuring all interactive elements are keyboard-focusable, and adding a visible skip-to-content link at the top of each page. The paid monitoring plan tracks whether fixes persist after deployments.
Não Espere por uma Coima
Obtenha o seu relatório gratuito de acessibilidade agora. Demora menos de 60 segundos.
Free Accessibility Tools
Use our free tools to check specific accessibility requirements — no signup needed.
Color Contrast Checker
Test text and background colors against WCAG AA & AAA contrast requirements.
ADA Compliance Checker
Check if your website meets ADA accessibility requirements under US law.
PDF Accessibility Checker
Verify your PDF documents meet WCAG and PDF/UA accessibility standards.
EAA Compliance Checker
Check compliance with the European Accessibility Act — mandatory since June 2025.
Statement Generator
Generate a WCAG-compliant accessibility statement for your website.