This program can help check documents against certain WCAG (Web Content Accessibility Guidelines) 1.0, 2.0, and 2.1 checkpoints.

NOTE: Accessibility checking must be enabled in the Accessibility Page for these options to be available.

WCAG 2.0/2.1/2.2 Options

•Check against W3C Web Content Accessibility Guidelines 2.0 (WCAG 2.0) - Check this box to enable WCAG 2.0 (new window) accessibility checking (required for WCAG 2.1 checking). This option has no effect if the Enable accessibility checking option is not checked. In TNPL (Tag Name Programming Language) this option controls isWCAG20Enabled. This option is enabled by default.

•Include WCAG 2.1 checks and messages - Check this box to enable additional WCAG 2.1 (new window) accessibility checking and messages. WCAG 2.1 builds on and extends WCAG 2.0. This option requires that WCAG 2.0 checking be enabled. In TNPL (Tag Name Programming Language) this option controls isWCAG21Enabled. This option is enabled by default. (New v19.01)

•Include WCAG 2.2 checks and messages - Check this box to enable additional WCAG 2.2 (new window) accessibility checking and messages. WCAG 2.2 builds on and extends WCAG 2.1. This option requires that WCAG 2.0 and WCAG 2.1 checking be enabled. In TNPL (Tag Name Programming Language) this option controls isWCAG22Enabled. This option is enabled by default. (New v24.00)

•Enabling this option suppresses most or all 4.1.1 Parsing WCAG 2.1 accessibility messages (due to the removal of 4.1.1 in WCAG 2.2). However, the normal (non-accessibility) validator messages for parsing problems and errors are not affected.

•Group messages by Conformance Level - Check this box to group WCAG 2.0 messages by conformance level ("A", "AA", or "AAA"). This option has no effect if the Enable accessibility checking option is not checked or if the Check against W3C Web Content Accessibility Guidelines 2.0 option is not checked. This option is enabled by default.

•WCAG 2.0/2.1/2.2 Conformance Level - Choose which WCAG messages, based on conformance level, you would like displayed. The WCAG define three conformance levels. This option has no effect if the Enable accessibility checking option is not checked or if the Check against W3C Web Content Accessibility Guidelines 2.0 option is not checked. This option's default (as of v19.01+) is Conformance Level "AA".

•Level A - the lowest and easiest level of conformance to obtain

•Level AA - the mid-range and most common level of conformance to obtain; this level is likely to be sufficient for most websites

•Level AAA - the highest and most difficult level of conformance to obtain; it's not always possible to satisfy all Level AAA criteria for some content and websites

Visit the About WCAG 2.0/2.1/2.2 Accessibility topics for more information.

(Superseded) WCAG 1.0 Options

WCAG 1.0, a 1999 recommendation, was superseded in 2021 by a newer specification. It is recommended that the newer specification (WCAG 2.0/2.2/2.2) be used instead.

•(Superseded) Check against WCAG 1.0 - Check this box to enable WCAG 1.0 (new window) accessibility checking. This option has no effect if the Enable accessibility checking option is not checked. This option is not enabled by default (because WCAG 2.0 is the default). In TNPL (Tag Name Programming Language) this option controls isWCAG10Enabled.

•(Superseded) Group WCAG 1.0 messages by Priority - Check this box to group WCAG 1.0 messages by priority (1, 2, or 3). This option has no effect if the Enable accessibility checking option is not checked or if the Check against W3C Web Content Accessibility Guidelines 1.0 option is not checked. This option is enabled by default.

•(Superseded) WCAG Conformance Level - Choose which WCAG messages, based on priority, you would like displayed. The WCAG define three priority levels and three conformance levels. This option has no effect if the Enable accessibility checking option is not checked or if the Check against W3C Web Content Accessibility Guidelines 1.0 option is not checked. This option's default is Conformance Level "AAA". the highest level of conformance.

Visit the About WCAG 1.0 Accessibility topic for more information about WCAG 1.0.