網站中途更換服務器對網站收錄的影響肯定是有的，如果更換的快，能及時上架，以前收錄的頁面應該不會掉，但是百度蜘蛛有可能不會造訪了，因為ip變了。又要對百度蜘蛛重新引導，讓它重新造訪。

最好的解決辦法是利用301轉向
把網站換到新服務器上 不要修改域名的DNS 而是把域名轉向到你現在空間一段時間，然后再修改域名解析。

Web site on the server received influence must be some, if the change, can timely shelving of the page before it should not be a hundred times, but the spiders may not be visited because ip changed. and to reboot hundred degrees of spiders and allow it to visit. the best solution is to change the site of 301 to the new server will not change the domain of dns it to you now turn to the international space for a period of time and then modify the domain name resolver