About Google

Google¨s search index accounted for the major proportion of related traffic in all of search engines, Google became the first search engine because of that it¨s a real search engine, it¨s search result ranks according to the quality of content and links,while not use a marketing way or other ways for users¨ friendly. Google has been persisting in principle of ?that ＾the content which are useful to users will rank high in SERP￣.

Google's ranking algorithm is a top secret. Knowledge of Google as follows:
Google's main results come from crawl device which crawling on the Web
Google's crawler only look at visible text on the page
Google indexed files types as follows: html、pdf、ps、wk1、wk2、wk3、wk4、wk5、wki、wks、wku、lwp、mw、xls、ppt、doc、wks、wps、wdb、wri、rtf、swf、ans 才 txt

Google index¨s creation focus mainly on page content and link popularity. Part of factors which decide the pages ranking in Google list including: number of links point to this site, quality of the site which links to this site,text around and with itself text of the link which point to this site, and the text content this site links to.

Google use PageRank(PR) to check URL structure of website,and to decide which pages are more important.Google also use hypertext-matching analysis to decide which pages are ralated to the specific search inquiry.Basically, Google use PageRank to evaluate quality of inbound links and outbound links,and it¨ll give a value to the quantity and quality of these links(popularity). The site which Google think are high quality also will get high PageRank, then Google comprehensive use PageRank and hypertext-matching analysis to find realated pages.

In order to prevent someone using spam technology to deceive search engine, Google changing its ranking algorithm and update it¨s index constantly. The best way to win high ranks in search engine is optimization site.Be sure not to use loopholes of ranking algorithm to obtain high rankings,if you do that and will be severely punished by Google.It¨s same as in real world, the most honest SEO is the best strategy.