creating a subdomain txt files. This is a key factor for search direction and indexing. Having one distinct mobile URL keeps your mobile optimization from interfering with your classic optimization (keeping the same experience on the small screen), and allows the GoogleBot Mobile to visit and index the mobile version for mobile searches.
Now that we’ve covered why you need a mobile version of your site, let’s switch our minds over to tablets. Tablets are quickly replacing laptops and televisions – they’re lighter and easier to pack, making them more attractive for people on-the-go.