One Link Building Example is Directory submission, and The Two Way and Three way can Get via Link Exchange...
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One-way link building is a great way to improve your link popularity and ranking in the search engines. One-way links are more difficult to obtain than traditional reciprocal links, but pay off in securing solid long-term search engine ranking results.
If a link point to your site or site' page and that site not get a link from your this site it is called one way. In 2 way Both give each other back link.
One way link building is great way get backlink for your website and its really improve your website traffic. But there are many type of backlink but google panda and penguin prefer theme backlink.
One way link building is a process of getting link on other website without giving a link to that website. One way links sends a strong message to search engines that your website is so informative and interesting that other sites want to tell other people about it by placing the link of your website without expecting you to place link of his website on your website. Our way of getting one way links is very simple to understand. The simplest and effective method for one way link building is to follow Google guidelines in regards with one way link building. we make our website more informative and useful that people willfully place our link on their website.