Google now lets you submit various content types in one sitemap. For example, if you want to submit videos, images, mobile URLs, etc. in the same sitemap, you can do so. "Site owners have been leveraging Sitemaps to let Google know about their sites content since Sitemaps were first introduced in 2005," explains Google Webmaster Trends Analyst Jonathan Simon. "Since that time additional specialized Sitemap formats have been introduced to better accommodate video, images,