The AllWebMenus SEO CSS Menu Addin adds the following functionality to AllWebMenus for creating SEO-friendly menus, through either the "sitemap-based SEO" or the "on-page SEO" method.
Sitemap-based SEO: Search engines will crawl your menu links through a single sitemap file that they find on your website.
On-page SEO: Search engines will crawl your menu links through HTML code that you add to your pages.