If your server is good and reliable in performance you can set the "crawl rate" to fast in Google Web Master Tools. Moreover to get indexed fast you also need some quality back links to your website. If you have a link on an authority website which is crawled by Google frequently, there are good chances that your website gets crawled also quickly. Most of the time social bookmarking can do the trick, bookmark your content on Digg, Reddit, StumbleUpon and other famous social bookmarking websites, your website will be indexed.Â