Entries on google submit site
Trading links is a really cost effective Seo technique and most other website publishers will be happy to do this. Just be careful to choose the same type of business to exhange links with, in other words, make sure they have similar products or topics. You will really astonished at how effective this method is in getting more traffic to your site. Either purchase articles or write your own and have them published on article directory websites. This will guarantee that your website visibility will be optimized.