guide
WCAG 2.2 on Joomla: complete compliance checklist
Implementing WCAG 2.2 compliance on Joomla means addressing the platform's specific failure modes (older third-party templates, extension ecosystem inconsistency) while applying Web Content Accessibility Guidelines 2.2 success criteria across content, code, and editorial workflow.
WCAG 2.2 in 60 seconds
WCAG 2.2 (pronounced 'wuh-cag 2.2') is the World Wide Web Consortium's globally adopted standard for web accessibility, published October 2023, defining 87 testable success criteria organised under four principles: Perceivable, Operable, Understandable, Robust.
Joomla accessibility — what you are starting with
Joomla has improved accessibility significantly since version 4. The default Cassiopeia template targets WCAG 2.1 AA. Smaller ecosystem means fewer accessibility-ready extensions.
WCAG 2.2 setup checklist for Joomla
1. Use Joomla 4+ and Cassiopeia: The most accessible reference template.
2. Audit extensions individually: Each extension brings its own template.
Common WCAG 2.2 failures on Joomla
• Older third-party templates
• Extension ecosystem inconsistency
• Inaccessible component overrides
Putting it together
Combine WCAG 2.2's AA requirements with Joomla's native tooling. Bake accessibility into your component library and editorial workflow; instrument axe-core in CI for regression.
FAQ
Frequently asked questions
Cited answers. Sourced. Updated as standards and case law change.
Is Joomla WCAG-compliant out of the box?
Joomla 4+ core matches WordPress core in accessibility. Joomla's smaller extension ecosystem makes the ecosystem-level risk lower in some dimensions and higher in others.
What is the easiest path to WCAG 2.2 compliance on Joomla?
Start with the platform's most-accessible default theme (where applicable), audit each installed plugin/extension/module, train content authors on alt text and heading hierarchy, and instrument axe-core in your CI pipeline.
Is Joomla as accessible as WordPress?
Joomla 4+ core matches WordPress core in accessibility. Joomla's smaller extension ecosystem makes the ecosystem-level risk lower in some dimensions and higher in others.
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