Google tweaked their “host crowding” algorithm to reduce the amount of search results shown from the same domain.
The quickest way to get others to know about your blog is to comment and be involved in other blogs within your industry.
Google's Matt Cutts for tips to help sites rank in their search engine.
about some of the places where you can go to track down your links. We are going to look at two traditional search engines and two blog search engines.
It gives you backlinks number, indexed pages, keyword occurences on the page, page rank, all in anchor, all in title and all in text rank for both domain and webpage information.
If you need to generate buzz -- links for the sake of traffic and a network of viral roots to keep an interesting promotion alive and standing tall -- then go ahead. Buy some links