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We had a site from Feb-2011 to Nov-2011 at the domain amcoexterminating.com. The site was pure HTML/CSS and the daily unique visitors steadily increased over that time. So all was fine. We then moved the site to a CMS (Joomla)  on Dec. 6th.  From that day forward, the daily visitors went into the tank. Before the move, if you typed "amcoexterminating.com" or "amco exterminating" into Google search, the site would be the first result (as you'd expect since those are the words that make up the actua domain).  But we tried this yesterday and the site did not come up at all.  NOT GOOD.  It would work in Yahoo or Bing, but not in Google.  So obviously, the problem with Google search directly affected the daily visitors. We just checked Webmaster tools yesterday (yes, this should have been done sooner, lesson learned) and it said "Site has severe health issues - Important page blocked by robots.txt".  It listed the "important" page URL and it was just a link to an image. Regardless, I wiped out the Joomla created robots.txt file and added a new one and made it just say... User-agent: *Allow: / About 14 hours later, after the new robots.txt file was recognized by Google, the "severe health" message went away.  However if I search in Google for "amcoexterminating.com", it still doesn't show up and the client is concerned (as they should be). Do you think the search engines just need more time to refresh?  If so, once it refreshes, should the site show up first again right away? Or is it possible the robots.txt file had nothing to do with the issue?  If so, what other things could I check into that might cause Google search to not find a site even if you search for exact domain name? Please share any and all things I should look into as I need to get this site showing in Google search again (as it was before moving to the CMS). Thanks!