Responsive Site-Make the site's pages for mobile
add HTML5 with responsive web design for the site and set
images serve at different resolutions,clear.
That might be helpful to visitor .
Tools:-Look at Google Webmaster Tools,Google Analytics. Google Webmaster
Tools has a filter where you can see only the mobile search for keywords
and pages impressions.
Increase Page speed and testing your website on mobile devices.
Add social media buttons on every page of your mobile website.
Make a Mobile XML Sitemap for your Responsive site.
<?xml version="1.0" encoding="UTF-8" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0">
<url>
<loc>http://mobile.demodemo.com/page.html</loc>
<mobile:mobile/>
</url>
</urlset>
Google recommends that you update your Mobile Sitemaps to this style