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