Writing attractive press release and distribute that in important sites from free press release sites list given below is the major and most effective way to improve ranking of the web pages in the search engines. Taking useful free press release sites list from the seo blogs written by the seo experts and search engine analysts and submission of the press release in the below free press release sites list written by writer is the effective step you can also check other article submission sites  which I always follow to increase page rank of my new blogs. Because after latest penguin updates I knew that press release distribution is the most preferred way of seo companies for the search engine optimization of the websites. Below I am sharing free press release sites list to help the web masters or new bloggers who are willing to submit press release.