Change targeted audience to UK in Google webmaster tool, host your site on UK data base, use UK English on website and grab few band backlinks with UK anchor text these 4 changes can fix targeted audience issues, Your another problem is 100% Bounce rate, Higher Bounce rate means people are visiting only that specific page and not clicking on any other page. This could happen because, if article is terrible so people don't want read any more, Here is few things you have check before making any conclusion, 1. Check source of traffic 2. If getting more direct traffic the examine the most visited traffic IP, and if there is any IP visited too many time just block them, make sure it should not be google bot ip.