Link building support in ranking ? my manager say link building is for site popularity only means more link then more people know about your site.. is this true ?
No, it's very important in search ranking. As many links you have from other sites, search engine will increase your site rank. Please, dont ignore this.
No doubt, Link building is most effective way to boost rankings.However, Search engine ranking is not a sole purpose of link building. It also drive classified traffic to your website and increases your brand awareness.
You know, you have to make more visible your site to the visitor. That's why you have to make link building to boost rankings. It is one of the important ways to rank your site to search engine.
Link building in SEO point of view is building a good amount of backlinks coming to your website which means more votes for your website, more votes means more credibility in SERP's and PR of your page. Link building in SEM means also the same as i mentioned above plus it means also that what you said because if your website is really good then some one while write for you on blog or somewhere on net. so it will be popularity based