What are the ways of building links?

Thanks for this great article really helpful.

I agree link building methods are very important in getting quality backlinks.It builds more traffic as well as improves keywords SERP.

Thanks for sharing the tips, but I do not agree on your statement "Google will punish your site if you use any software for link building purpose." Using software is not actually bad and not all software can harm your website. It is not against the search engine's guidelines.

I think that just making a pile of links wont work, we need to consider the relevancy and quality of the back link also..

More domain links and high quality links.
But not a lot of links from the same site!

Sometimes, we can buy some backlinks.

One method of search engine optimization is using one way links building services. Google uses many different elements to determine page rank. Links are extremely important to Google and the more links you have pointing to your website the better off you are. However, it is not always as easy as that. One way links are very difficult to get and maintain. One Way Links helps well to climb up well in SERPs.

several ways to improve sites back links. like article submission and directory submission and blog commenting and link exchange etc.

For building links you need to use almost all the ways so that they would be natural, use forums, blogs, social networking sites, article directories etc..

Thanks for sharing..