» Return 503 Status with Apache Web ServerOver a post in Google Webmaster Central Blogs Vanessa Fox stated that when your site goes down for maintenance tou should configure your server to return a status of 503 (network unavailable) rather than 200 (successful). This lets Googlebot know to try the pages again later. Searching for how i can make my Apache webserver return the 503 – Service Unavailable status code for a particular site on
