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Home / Accessibility Checker / Known Conflicts

Known Conflicts

If you are experiencing issues scanning your website for accessibility issues, the problem may be due to a conflict with another plugin installed on your site. Below is a list of WordPress plugins known to conflict with Accessibility Checker’s ability to scan your website or operate as expected.

  • Maintenance mode plugins:
    These plugins block Accessibility Checker’s ability to run front-end scans. To run Accessibility Checker on an unpublished or non-public website, upgrade to Accessibility Checker Pro and switch to using .htaccess password protection for the site, which can usually be turned on via your hosting dashboard.
  • WP-Rocket minify and combine for JS:
    The minify and combine JavaScript setting in WP-Rocket prevents Accessibility Checker fixes from working as it moves the source of the script. To ensure fixes work on your website, if you have enabled this setting in WP-Rocket, you must exclude the following scripts in WP-Rocket settings:
    /wp-content/plugins/accessibility-checker/assets/(.*).js
    /wp-content/plugins/accessibility-checker-pro/assets/(.*).js
  • PublishPress Permissions: 
    This plugin modifies the main query in a way that bypasses Accessibility Checker’s query, allowing draft posts to have previewable links we can scan against. There is no known fix at this time.

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Frequently Asked Questions

  • How to Install & Activate Accessibility Checker
  • Getting Started Quick Guide
  • Why Do We Say 100% Passed Tests, Not 100% Accessible?
  • Manual Accessibility Testing: How You Can Check Website Accessibility
  • When and How to Ignore Accessibility Errors or Warnings
  • What to do if There are Accessibility Errors in Your Theme
  • What to do if a Plugin You’re Using has Accessibility Errors
  • How to Get Support for Accessibility Checker
  • Can I Hire Equalize Digital to Fix Accessibility Issues on My Website?
  • Additional Resources for Learning About Accessibility
  • How to Test Accessibility Checker for Conflicts with Themes or Plugins
  • What Does “Unlimited Dev Sites” mean?
  • Is there an Accessibility Conformance Report (ACR) or VPAT available for Accessibility Checker?
  • How to Get the Audit History Plugin – Legacy Customer Instructions
  • How does Accessibility Checker align with WCAG?
  • What to do if Accessibility Checker is not Scanning Your Site
  • Known Conflicts
  • Ensuring Accessibility Checker Fixes Work with JavaScript Optimization Plugins

Rule Documentation

  • A Slider is Present
  • A Video is Present
  • Ambiguous Anchor Text
  • ARIA Hidden
  • Blinking or Scrolling Content
  • Broken ARIA Reference
  • Broken Skip or Anchor Link
  • Duplicate Alternative Text
  • Duplicate Form Label
  • Empty Button
  • Empty Heading Tag
  • Empty Link
  • Empty or Missing Form Label
  • Empty or Missing Table Header
  • Empty Paragraph Tag
  • iFrame Missing Title
  • Image Animated GIF
  • Image Empty Alternative Text
  • Image Long Alternative Text
  • Image Map Missing Alternative Text
  • Image Missing Alternative Text
  • Improper Use of Link
  • Incorrect Heading Order
  • Insufficient Color Contrast
  • Link Opens New Window or Tab
  • Link to MS Office File
  • Link to Non-HTML File
  • Link to PDF
  • Linked Image Missing or Empty Alternative Text
  • Long Description Invalid
  • Low-quality Alternative Text
  • Missing Language Declaration
  • Missing Subheadings
  • Missing Title
  • Missing Transcript
  • Possible Heading
  • Readability & Simplified Summary
  • Tab Order Modified
  • Text Justified
  • Text Too Small
  • Underlined Text
  • Zooming and Scaling Disabled

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