Description
Noble Vitals is a lightweight, performance-optimized plugin designed to improve your Core Web Vitals, specifically LCP (Largest Contentful Paint), and generate native image sitemaps.
⚡ LCP Image Optimization
Automatically optimizes your content images to improve LCP scores:
* Adds fetchpriority="high" to your LCP image(s)
* Sets loading="eager" for LCP images
* Keeps lazy loading for all other images (configurable)
* Uses WordPress’s wp_content_img_tag filter for safe DOM manipulation
* Only runs on singular posts/pages and main query
🗺️ Native Image Sitemap
Generates an image sitemap using WordPress’s built-in Sitemaps API:
* No custom XML generation – uses core WordPress functionality
* Includes featured images from your posts and pages
* Configurable which post types to include
* Adds proper Google image sitemap namespace
* Optimized database queries for maximum performance
Installation
- Upload the
noble-vitalsfolder to the/wp-content/plugins/directory. - Activate the plugin through the ‘Plugins’ menu in WordPress.
- Go to ‘Noble Vitals WP’ in your admin menu to configure settings.
FAQ
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Does this plugin use regex to modify images?
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No! We use WordPress’s native
wp_content_img_tagfilter introduced in WordPress 5.5, which is the safe and recommended way to modify content images. -
Can I optimize more than one image?
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Yes! You can configure how many images to optimize in the plugin settings.
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Is the image sitemap using WordPress’s native API?
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Absolutely! We extend
WP_Sitemaps_Providerand integrate directly with WordPress’s built-in sitemap system.
Reviews
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Contributors & Developers
“Noble Vitals” is open source software. The following people have contributed to this plugin.
Contributors
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.0.0
- Initial release
- LCP image optimization
- Native image sitemap generation