Fast Sites with AI Translations is a static website builder that utilizes i18next for multilingual translation and includes a customizable language switcher. This tool also features a sitemap generator and a robots.txt generator, along with built-in HTML validation. It empowers users to expand from a single language to over 20 languages, allowing search engines to easily find content by adjusting URLs and generating sitemaps with multilingual links. As a static site generator, the output files are incredibly small, resulting in fast loading speeds and enhanced security.