Guide to Smart Link Building !!
Only dream of a webmaster is to top Search engines for their targeted keywords which will help them to get natural traffic and earn more revenue for their sites. But this is not an easy job. You have to learn a lot of Search Engine Optimization tips and techniques and for that you will have to do link building. But on doing this link building process, they spam the search engines and in-contrast they end up in failure. For that smart link building is necessary. This should include following :
- They should be One-way/inbound links
- Better if they are In-content/contextual links
- Come from relevant niche/ on-topic sites
- Use of different anchor text for each link.
- Link should be placed on pages having less(<20) out-going links
- Sites should be hosted on different C-class IPs ( no use if you are getting 1000 links from the same IP/server)
So always go for Smart Link Building to get your site rock on SERPs. 
On-topic links from highly relevant sites can bring targetted traffic as well as help in improved Search Engine Rankings. Links from high-traffic related sites are the most useful, and can get you returning visitors also.