[quote=“transcamhost, post:3, topic:194494, full:true”]
what you think we we buy backlink from some companies?
[/quote]I think that’s a very bad idea, as it’s one of the things which Google specifically lists as against its ToS, and which may adversely affect your site’s rankings.
[quote=Google]The following are examples of link schemes which can negatively impact a site’s ranking in search results:
Buying or selling links that pass PageRank. This includes exchanging money for links, or posts that contain links; exchanging goods or services for links; or sending someone a “free” product in exchange for them writing about it and including a link[/quote]
We have a couple of recent threads on the subject of backlinks, which will provide helpful information for you:
How to get more backlinks
http://www.sitepoint.com/community/t/what-is-your-example-of-link-earning/193887