web site keeps breaking

Hello, i am not shore were to start i been having these problems for a long time about 2 years or so some times my site will just break up i tried switching theme to see if that would solve the problem i disabled all plug ins and see if that would work and it still happens i up grate my php down grate php called my host i don’t know how nanny times i seem to get no were-so dose anybody have any clues to what could be happening?i have had this site for a long time. and on top of that i have this numbers on my site and i cant seem to get rid of it its on the left side on the top you will see it i don’t know code and all that so can somebody in word press world help me out i will try almost anything at this point http://www.b-o-o-k-s.com thank you for all your help Scott