The impact of a headless CMS on SEO depends on how the system is technically implemented. While it is true that a headless CMS has no traditional front-end, this does not mean that search engines will see a page without content. On the contrary, a properly implemented headless CMS can actually provide SEO benefits. These benefits include improved loading speeds and a better mobile experience. It is essential to ensure that the website is properly optimized for search engines, with correct implementation of SEO practices such as structured data, meta tags, and server-side rendering or static site generation to ensure search engine visibility.