Missing ALT Tag Fixer
Automatically enhances image accessibility and SEO by adding missing ALT text using smart fallbacks based on metadata, captions, titles, and parent posts.
Enhance your site’s SEO and accessibility by automatically generating missing ALT texts for images. The Missing ALT Tag Fixer uses context-aware fallbacks like image metadata, captions, and post titles to ensure every image has relevant ALT text, improving SEO and compliance.
$17
Plugin Overview
The Missing ALT Tag Fixer plugin automatically adds missing ALT text to images on your WordPress site. By leveraging smart fallbacks, it generates ALT texts based on metadata, captions, post titles, and parent post information. This ensures that images are accessible, SEO-friendly, and compliant with web standards.
Key Features:
- Smart ALT Text Generation: Dynamically creates ALT texts using image metadata, post titles, or a customizable default fallback.
- Performance Optimized: Caches ALT texts to minimize database queries and skips unnecessary processing for non-image content, ensuring fast page loads.
- Multilingual Support: Fully compatible with Polylang, WPML, TranslatePress, and Loco Translate for seamless translation of ALT texts.
- REST API & AJAX Compatibility: Ensures ALT texts are applied to images in REST API responses and dynamic content.
- Secure & Reliable: Sanitizes inputs, escapes outputs, and gracefully handles environments without the PHP DOM extension.
- Customizable Fallback: Easily set a default ALT text via the intuitive settings page, with support for dynamic translation updates.
- Developer-Friendly: Built with a modular class structure for maintainability and compatibility with custom image classes.
Perfect for improving accessibility, boosting SEO, and ensuring compliance with web standards. Supports manual .pot/.po/.mo files for advanced translation needs.
How it Works and What to Expect
- Automatic ALT Text Generation: Once activated, the plugin will automatically generate ALT texts for images across your WordPress site. It uses various context-aware fallbacks, such as metadata, captions, post titles, and parent post information.
- Multilingual Support: The plugin supports dynamic translation updates, making it ideal for multilingual sites, compatible with popular translation plugins like WPML, Polylang, and TranslatePress.
- Customizable Default Fallback: You can customize the default ALT text through the plugin’s settings page. This fallback will be used if no other information is available for the image.
Expect a noticeable boost in SEO and site accessibility, while ensuring that all your images have relevant ALT text without any manual intervention.
Performance Overview
The Missing ALT Tag Fixer is designed to be highly performant:
- Caching: ALT texts are cached in the post metadata to prevent unnecessary recalculations. This means once an ALT text is generated, it won’t be recalculated on each page load, improving performance.
- Selective Processing: The plugin only processes images and skips non-image content, ensuring minimal impact on page load times.
- DOMDocument Compatibility: The plugin falls back gracefully if the PHP DOM extension is unavailable, ensuring it works in all environments without breaking functionality.
Requirements & Compatibility
- WordPress: 6.0 or higher
- PHP: 8.0 or higher
- WooCommerce: Not required (unless used with WooCommerce products)
- Translation Plugins: Polylang, WPML, TranslatePress, Loco Translate (for seamless multilingual support)
- PHP Extensions: PHP DOM extension for inline image processing (with fallback if not available)
Language Support
Available Languages:
- English
- Spanish
- French
- German
- Italian
Custom Language Files
The plugin supports custom translations. You can easily add your own .po and .mo files for any language, or use translation plugins like Polylang, WPML, and TranslatePress for dynamic translation of ALT texts.
License
The Missing ALT Tag Fixer is licensed under the Single Domain Licence:
- 1 license per domain.
- For more details, visit: LitePlugin License





