Having your site indexed is first step in getting traffic from search engines. This tool goes through every url in your XML Sitemaps file and reports if its indexed properly.
There are many tools on the market. See the list here. I recommend using GSiteCrawler which is bit difficult to use but has no limits and its free.
If your site has lots of pages then by following these steps you can improve the speed by more than 3x times. Site Diagnosis spends the most of time on getting Page Titles of your site. By adding Title information into the XML Sitemaps time you will speed up the process. e.g. Normal XML Sitemaps file http://blog.linkdiagnosis.com 2008-03-29T17:12:32+00:00 monthly 0.50 Adding