SEO stands for search engine optimization. There are so many Web SEO techniques but link exchange is very important to get good rank of a website. There are so many link exchanges available for free. It would be beneficial for website marketing to exchange link with a website which already has good rank. There are two types of links. First is called one way link and second is called two way or reciprocal link. One way links are those in which you submit the link of your website on a web directory. But in two way or reciprocal link exchange you exchange the link with other website or directory under a mutual agreement.

It is important to submit link on relevant categories of your website and on web directories which has already good rank so that your website get good rank. You must strictly follow this rule that always submit link on the relevant category regarding your website because search engines do not consider irrelevant links.  It is a simple formula when your site has indexed you can get rank four after submitting your link on twenty five web directories which has rank four. So simply we can say that the link exchange plays vital role for the Website SEO and promotion.