Minimal Download Strategy is new Feature in SharePoint 2013 and it’s activated by default.
Its technique use a single page _layouts/15/start.aspx with the actual URL encoded in the text following the ('#').
this Feature Improve Navigation, Fast Rendering on Client Browser, and Reduce page Loading time Because is not going to fetch Duplicate Data from Sever.
You can deactivate this feature at Site level By using following steps:
Site Settings à Site Actions à Manage Site Featuresà
Deactivate Minimal Download Strategy Feature.
Now url would be simple With http://SiteURL