Site only loading

My blog site has been running smoothly for a days but now it only keeps on loading. No content is shown. I am confused has my site been blocked or it is some server or hosting problem.I am newbie here and it’s discouraging me for my project.
my site is


Sometime it shows this site can be reached.
Will this problem solved automatically or it is due to my problem.
I can’t even reach my wordpress admin panel. I am using wordpress for making blog