mobile version is loading on desktop

i have a strange problem.

1. If my wordpress powered website is launched on desktop browser, mobile version is loaded automatically.

2. Even, on clicking view full site, mobile version is loaded.

3. But if any of the posts are clicked are clicked, then desktop version is loaded.

4. If I login to the website, then normal version is loaded.

i’m facing this problem after moving my website from godaddy to hostgator.

my website url: http://freeandroidfonts.com

please help me out