Be careful if your website is under construction, should not replace the web chmod to 0000, or be "forbidden", because google will not index your site if the crawlers come back to your website. I have 2 websites and my hosting change the chmod to 0000 just in first week google not index the front page of my website, and make my PR N/A. So be careful dont change the chmod folder to 0000 or was "forbidden" because google will drop your PR and not index your website.