There are a lot of Page Rank and HITS against the main ranking algorithm study. At the same time, other ranking algorithms also gradually got the attention of the researchers. This paper will study of SALSA and Traffic Rank. This paper summarizes the basic characteristics and advantages and disadvantages of search engine model, including the Boolean search engine, vector space model engines, search engines, metasearch engines. Finally, this paper analyzes the algorithm of the SALSA and Traffic Rank, summed ...