Yahoo Site Explorer was completely transferred to Bing's Webmaster Tools on November 21, 2011. After the transfer Yahoo Site Explorer is no longer available for use. The change cut out a great SEO research tool that was available to the public for free. A tool that the majority of webmasters were using to research or get a general idea of the backlinks of the competing websites in their niche or even their own website.
I’ve done a significant amount of research mostly though forums that focus on SEO and backlinking strategies. There are many people asking for URL blasting service. A URL blasting service is a service, software or simply a list of forums, profiles, and articles sites to blast the URL to, typically numbering in the thousands, though some in the hundreds of thousands. So does blasting your website's URL to thousands or even hundreds of thousands websites really help your website?