The A11y Form Checker is a powerful tool for analyzing and optimizing the accessibility of forms. It automatically detects problems with input fields, labels, buttons, mandatory fields, contrast, ARIA attributes and form structures - and makes them visible directly in the document.
With just one click you get:
a complete form accessibility check
an A11y score (0-100)
a clear list of all errors & notes
Markings directly in the form
Navigation to the problem area with a click
No server installation, no backend, no dependencies – the A11y Form Checker runs in:
✔ HTML/PHP
✔ WordPress
✔ Joomla
✔ Typo3
✔ Contao
✔ Drupal
✔ Shopware / WooCommerce
✔ Laravel, Symfony, Blade
✔ Twig/Smarty
✔ HuMo Genealogy
✔ even in iframes (if permitted)
Simply integrate – and scan directly.
✅ Main Features
🔍 Automatic form analysis
missing labels
Placeholder instead of label
Mandatory fields without aria-required
Buttons without text / without aria label
Fields without ID or with duplicate ID
poor contrast values
Forms without a submit button
Structural errors (fieldset, legend, grouping)
Tab order/focus issues (heuristic)
🧭 Interactive error list
Errors (red), notes (yellow), information (blue)
Click opens the affected field
Affected elements are visually highlighted
Flash effect for quick location
📊 A11y Form Score (0-100)
Automatic evaluation:
-5 points per mistake
-2 points per clue
minimum 0 points
shows quality and need for optimization
💡Universal Engine
works on all websites
doesn't need a framework
robust through try/catch
safe from browser restrictions
also works in dynamic pages (AJAX / SPA)
Error resistant
🎁 Bonus: A11y Structure Scan
The tool also recognizes typical structural stumbling blocks:
duplicate IDs
missing submit elements
missing groupings (fieldset/legend)
Buttons without meaningful labeling
autocomplete hints
Perfect for developers, agencies and quality control.
🧩 Compatibility
System/CMS compatible
HTML/PHP ✔ 100%
WordPress ✔
Typo3 ✔
Joomla ✔
Contao ✔
Drupal ✔
Shopware / WooCommerce ✔
Laravel / Symfony / Blade ✔
Twig / Smarty Templates ✔
HuMo Genealogy ✔ (automatic)
Static websites ✔
🔧 Technical information
CSS: ~4KB
JS: ~16KB
no cookies
no external fonts
GDPR compliant
LocalStorage optional (only the UI state)
📦 Installation
Just add two lines before </body>:
<link rel="stylesheet" href="/a11y-form-checker/form-checker.css">
<script src="/a11y-form-checker/form-checker.js" defer></script>
Done.
A “FC” button appears at the bottom right → click → start scanner.
🔗 Branding (license requirement)
The note:
“Powered by TheCodeAtlas – A11y Form Checker”
is an integral part of the license/terms of use.
➡ Removing, hiding or tampering is NOT permitted.
It must remain visible, regardless of the system.
💼 Ideal for
Company
Authorities & public institutions
Developers & Agencies
Shops + e-commerce
Blogs
private websites
Accessibility audits
SEO and quality checks
Customer contact forms
Price: 19,90 EUR
