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IMG A11Y is a free WordPress® plugin that enhances image accessibility by adding fields for decorative image marking and accessibility prompts to the WordPress® media editor.

It validates images on post save to ensure all images meet accessibility requirements, promoting better compliance with web accessibility standards.

Features

• Decorative Image Marking: Add a checkbox in the media editor to mark images as decorative, indicating they do not require alt text.
• Alt Text Enforcement: Prevent saving posts or media if images are missing alt text and are not marked as decorative.
• Gutenberg and Classic Editor Support: Works seamlessly with both Gutenberg and Classic WordPress® editors.
• Admin Accessibility Overview: Provides an admin page listing images without alt text and offers statistics on image accessibility compliance.
• Automatic Updates: Integrated with GitHub for automatic updates of the plugin.

Installation

1. Download the Plugin: Clone or download the plugin files from the GitHub repository.

2. Upload to WordPress®:

   • Via Admin Dashboard:

     1. Navigate to Plugins > Add New.
     2. Click Upload Plugin.
     3. Choose the img-a11y.zip file you downloaded.
     4. Click Install Now, then Activate.

   • Via FTP:

     1. Extract the img-a11y.zip file.
     2. Upload the extracted img-a11y folder to your wp-content/plugins/ directory.
     3. Go to Plugins in your WordPress admin dashboard and activate IMG A11Y.

Usage

Marking Images as Decorative

1. Edit an Image:

   • Go to Media > Library and select an image to edit.
   • In the attachment details, you'll see a new checkbox labeled Mark as Decorative.

2. Mark as Decorative:

   • If the image is purely decorative and doesn't add informative content, check the Mark as Decorative box.
   • This indicates that the image does not require alt text for accessibility purposes.

Alt Text Validation

• On Post Save:

  • When saving a post, the plugin checks all images in the content.
  • If any images lack alt text and are not marked as decorative, the save operation is blocked.
  • An error message is displayed:
    Save failed: Please ensure all images in the content have alt tags or are marked as decorative for accessibility.

• In Media Library:

  • When editing media, if an image lacks alt text and is not marked as decorative, saving is blocked.
  • An error message is displayed:
    Save failed: Please provide an Alt tag for accessibility or mark the image as decorative.

Admin Accessibility Overview

• Access the Overview:

  • Navigate to Media > IMG A11Y in the WordPress admin dashboard.

• Features of the Admin Page:

  • Statistics: View counts of decorative images, non-decorative images without alt text, and non-decorative images with alt text.
  • Filtering: Click on the statistics boxes to filter and list specific groups of images.
  • Image Listing: See a table of images based on the selected filter, including thumbnails, IDs, titles, and file links.

Contributing

Contributions are welcome! Please follow these steps:

1. Fork the Repository: Click on the Fork button in GitHub.

2. Clone Your Fork:

   git clone https://github.com/your-username/img-a11y.git

3. Create a Branch:

   git checkout -b feature/your-feature-name

4. Make Changes: Implement your feature or fix.

5. Commit Changes:

   git commit -m 'Add new feature'

6. Push to GitHub:

   git push origin feature/your-feature-name

7. Create a Pull Request: Submit your PR for review.

License

This plugin is licensed under the GPL-2.0+ license. See the LICENSE file for details.