The mobile-first indexing is exactly what it looks like. This means that the mobile version of your website is included in Google’s index, and you start the basis of how the ranking determines if you monitor crawlbot traffic on your site. The webmasters can also observe the increase in Googlebot traffic and it will cache the mobile versions of the pages. This is called “ first on mobile device ” because it is not just an index for mobile devices: For example, if a site is not a customized version for mobile devices, then the desktop site can still be included in the index. But the lack of optimized experience for mobile devices can have a negative impact on the ranking of that site, and the site with better mobile experience increases ranking can be found, even for those people who are looking at the desktop. How does it work? As per the Google press release, it is confirmed that the mobile version will be considered as the main version of your website. If your website is