Google Webmaster Help Center - I have a mobile site. How can I add it to Google's Mobile index?Mobile site and mobile-first indexing best practices Google uses the mobile version of a site's content, crawled with the smartphone agent, for indexing and ranking. This is called mobile-first indexing. While it's not required to have a mobile version of your pages to have your content included in Google's Search results, it is very strongly recommended. These best practices apply to mobile sites
