RuleSets of AccessMonitor

AccessMonitor is an evaluation tool of web content accessibility guidelines according to the recomendation of the W3C: WCAG 2.1. AccessMonitor implements the rules certified by the ACT Rules Community Group.

Last update: 30/09/2025 - This page contains the set of tests (169 tests) that are implemented in the AccessMonitor validator.

Tests

• Skip Navigation Links Check.
• Innapropriate Skip Navigation Links Check
• Missing Skip Navigation Links Check
• Multiple Skip Navigation Links Check
• Missing Image Link Alternative Text Check
• Missing Site Searches, Indexes, and Site Maps Check.
• Inadequate Link Title Check
• Inadequate Adjacent Links Check
• Inadequate Identical Links Check
• Links Accessible Name Check
• Missing Links Accessible Name Check.
• Identical Links - Equal Destination Check
• Inadequate Identical Links - Equal Destination Check
• Missing Abbreviation Extension Check
• Alternative Text In Image Maps’ Area Elements Check
• Inadequate Alternative Text In Image Maps’ Area Elements Check.
• ARIA Role Check
• ARIA Required Owned Elements Check
• ARIA State and Property Value Check
• Inappropriate ARIA State and Property Value Check
• Permmitted ARIA State and Property Check.
• Not Permmitted ARIA State and Property Check
• ARIA Attributes Check
• Inappropriate ARIA Attributes Check
• Non Automatic Audio Content Check
• Automatic Audio Content Check.
• Autocomplete Attribute Check
• Inappropriate Autocomplete Attribute Check
• Blinking Content Check
• Inappropriate Structural Grouping Check
• Button Accessible Name Check.
• Missing Button Accessible Name Check
• CSS Font And Background Color Check
• Inappropriate Text-Background Contrast Check
• Inappropriate Line Height Check
• Inappropriate Zoomed Text Visibility Check.
• Missing Redundant Event Handlers Check
• Redundant Event Handlers Check
• Inappropriate Event Handlers Check
• Sequential Focus Order Check
• ARIA Hidden Focusable Content Check.
• Inappropriately ARIA Hidden Focusable Content Check
• Hidden Decorative Elements Check
• Inappropriately Unhidden Decorative Elements Check
• Language Attribute Check
• Inappropriate Language Attribute Check.
• Presentational Role Check
• Inappropriate Presentational Role Check
• ARIA Role Completeness Check
• Missing Fieldset Description Check
• Inappropriate Fieldset Element Check.
• Inappropriate Focus Blur Check
• Inappropriate HTML Text Formatting Check
• Inappropriate Font Size Check
• Form Submit Button Check
• Missing Form Submit Button Check.
• Inappropriate or Missing Frame Title
• Headers Attribute Check
• Inappropriate Headers Attribute Check
• Heading Accessible Name Check
• Missing Heading Accessible Name Check.
• H1 Check
• Inappropriate H1 Check
• Missing Headings Check
• Inappropriate Headings Check
• Missing Main Heading Check.
• Inappropriate Heading Content Check
• Inappropriate Heading Hierarchy Check
• Id Attributes Check
• Inappropriate Id Attributes Check
• Missing Iframe Title Check.
• Iframe Elements With Equal Accessible Name Check
• Inappropriate Iframe Elements With Equal Accessible Name Check
• Iframe Negative Tabindex Attribute Check
• Inappropriate Iframe Negative Tabindex Attribute Check
• Alternative Text Check.
• Missing Alternative Text Check
• Decorative Image Check
• Inappropriate Alternative Text Check
• Alt Text Length Check
• Graphic Button Alt Text Check.
• Missing Graphic Button Alt Text Check
• Missing Form Control Label and Title Check
• Missing Form Control Accessible Name Check
• Form Control Accessible Name Check
• Inappropriate Alt Text on Input Element Check.
• Inappropriate HTML Justified Text Check
• Inappropriate CSS Justified Text Check
• Accessible Name Matches Visible Label Check
• Inappropriate Label Element Check
• Accessible Name Mismatches Visible Label Check.
• Banner Landmark Check
• Inappropriate Banner Landmark Check
• Complementary Landmarks Check
• Inappropriate Complementary Landmarks Check
• Contentinfo Landmark Check.
• Inappropriate Contentinfo Landmark Check
• Main Landmark Check
• Inappropriate Main Landmark Check
• Singular Banner Landmark Check
• Duplicate Banner Landmark Check.
• Singular Contentinfo Landmark Check
• Duplicate Contentinfo Landmark Check
• Singular Main Landmark Check
• Duplicate Main Landmark Check
• Page Language Check.
• Inappropriate Page Language Check
• Missing Page Language Check
• Incorrect Page Language Check
• Obselete Elements For Visual Presentation Check
• Inappropriate Obselete Elements For Visual Presentation Check.
• Inappropriate Measurement Unit Check
• Letter Spacing Check
• Inappropriate Letter Spacing Check
• Link Elements Check
• Inappropriate or Missing Li Element Check.
• List Items Check
• Inappropriate List Items Check
• Description List Elements Check
• Inappropriate Description List Elements Check
• Description List Elements Order Check.
• Inappropriate Description List Elements Order Check
• List Item Check
• Inappropriate List Item Check
• Menu Item Accessible Name Check
• Missing Menu Item Accessible Name Check.
• Inappropriate Refresh Meta Element Check
• Inappropriate Redirect Meta Element Check
• Refresh Meta Element Check
• Inappropriate Delaying Refresh Meta Element Check
• Viewport Meta Element Check.
• Object Accessible Name Check
• Missing Object Accessible Name
• Orientation Restriction Check
• Inappropriate Orientation Restriction Check
• Role Value Check.
• Inappropriate Role Value Check
• Inappropriate Scope Attribute Check
• Scrollable Element Check
• Inappropriate Scrollable Element Check
• SVG Accessible Name Check.
• Missing SVG Accessible Name Check
• Inappropriate Table Caption Check
• Missing Data Table Caption Check
• Inappropriate Equal Table Caption And Summary Check
• Inappropriate Nested Table Element Check.
• Missing Table Headers Check
• Missing Data Table Headers Attributes Check
• Table Header Cells Check
• Inappropriate Table Header Cells Check
• Text Color Contrast Check.
• Inappropriate Text Color Contrast Check
• Inappropriate Duplicate Page Title Check
• Missing Page Title Check
• Empty Page Title Check
• Inappropriate Page Title Length Check.
• Inappropriate Page Title Characters Check
• Page Title Check
• Inappropriate Layout Measurement Value Check
• Layout Measurement Value Check
• Inappropriate Container Measurements Check.
• Container Measurements Check
• Audio Accessible Alternative Check
• Visual Content Accessible Alternative Check
• W3C HTML Check
• W3C Inappropriate HTML Check
• Inappropriate Pop-Up Windows Check
• Word Spacing Check
• Inappropriate Word Spacing Check