Guest blogging is now found to be an effective way to create valuable backlinks. Through guest blogging the result is equally useful to the webmaster and the poster. For the webmaster through guest blogging he can updates his site daily with the help of other bloggers. And to the writers they can able to create a quality backlink from that blog. Most of the bloggers welcome guest bloggers to write contents for his site but not every site can able to produce guest bloggers the reason is when a guest blogger comes into a blog and write a content, guest blogger has only one aim that is to create a backlink for his site. For that the blogging site need to contain a better pagerank that is most of the guest bloggers are focusing on blogs which having at least of 4/10 pagerank for to create a quality backlink for their sites. All the rights of the content publishing and backlink creation are controlled by the webmaster. The greatest advantage of guest blogging is one don't have to pay anything to the guest bloggers for writing contents but for that create a backlink in the site. The only disadvantage one can find from guest blogging is you can never expect too many contents from the bloggers daily, typically an average good seo rich site will get 1 to 3 guest blog in every week depending upon the traffic and the pagerank of the site. And also the webmaster can never make any hope on getting quality contents from the guest posting. Just expect only a small content from the webmaster, however you can mention it in your faq about the posting criteria's and the requirements needed for a post to qualify to publish in the blog. Guest blogging is helpful for both the webmaster as well as for the blogger in different manners.
Whenever you are trying to create backlink for your site focus on looking the pagerank and the seo stats of the site in which you are trying to create a backlinks. Guest posting help to improve the blogging experience as well as help to work as a team. It is also a very good media to share their ideas and views through another site and also guest posting backlinks are simply equal to the free advertisement of your blog. For better blogging experience and for creating quality backlinks guest blogging is useful. All the best.