today, my site disappear in google. my site is an autoblog. i didn't build backlinks to it. but someone link to it and i got some backlinks. so it used to rank good in google for many keywords and get some traffic. the day before yestoday, i move my php program from VPS A to VPS B, then suddenly the traffic of my site on VPS A dramatic decline. today, i type "site:mystie.com" in google, surprisingly, my site isn't indexed in google anymore. i don't know this is associate or not. or my site just got sandboxed? did someone experience the situation like this before? what should i do now?