Web Accessibility WCAG 2.1 Knowledge Base

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Conformance Levels

Web Accessibility and WCAG 2.1 is a relatively new area of expertise for many web developers and webmasters. We’re working to build a comprehensive knowledge base of questions and answers to help solve the unique challenges around building websites with web accessibility in mind.  Browse or search our knowledge base, or submit questions to our team of developers. If you need more help, learn more about our WCAG audits and accessibility scanning platform.

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Free Tools Developed by Our Experts

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Browser Extension

Discover and highlight violations on any website straight from your browser.

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Accessible Web RAMP

Monitor your website and manage your progress towards WCAG conformance.

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