An image on your page has a very large file size. Large images are one of the most common causes of slow websites. Optimizing your images by compressing them and using modern formats can dramatically reduce their file size without sacrificing much visual quality, leading to a much faster experience for your users.
A single JPEG image that is over 1MB in size.
1. Resize: Ensure the image is not larger in dimensions (width and height) than it needs to be. 2. Compress: Use an image compression tool to reduce the file size. 3. Use Modern Formats: Convert the image to a modern format like WebP, which offers superior compression.
Smaller image files download significantly faster, which is the most effective way to improve your Largest Contentful Paint (LCP) score, a critical Core Web Vital.
This issue can affect your site's search engine rankings and user experience. Addressing it promptly helps ensure optimal performance and visibility in search results.
Black SEO Analyzer automatically checks for this warning during site analysis, along with hundreds of other technical SEO issues.
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