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Now, we will learn how to google in ranking your sites. Google uses a specific algorithm to rank sites consisting of more than 100 kinds of different criteria in its calculations, each weighted criteria can change at any time.
Therefore, effective techniques that used today may not be effective in the future. And it’s important to remember, there’s a moment of our site rankings change for no apparent reason. Optimizing your site should not be done just once, but do it every time, we must examine the site, learn more and see the results.
Note: In November 2003, Google introduced a major algorithm change, called “Florida Update” that changed the way in ranking method of google site. At this time the algorithm is constantly changing, with some effect which is less well understood. To more clearly you can see it in the Florida Update.

Algorithm Google Rank
Algorithm rank by Google can be divided into two main factor groups:
Keyword (textual) factors. Keyword factors, how, where and when the keyword is used. Which means how well our site optimization for keywords that we select, and when it appears on the keyword links that refer to your web page. Factor reflects the level of relevancy keyword page (page relevance).
Link (PageRank) factors. This includes also the number and quality of links that refer to your site. Factor reflects how important the link (page importance) and how strong his relationship with Google PageRank (PR).
In other words, Google searches for pages that are in indexnya related and important (relevant and important) in a search for a particular word, and then sorted by descending on the results page.
Keyword Factors and Page Relevance
Keyword is a word which entered into search engines to find special information. Usually people put between 2 -5 words to Google to find what they are looking for. Google will find what they want.
Google will analyze all the pages in the index, and sorted the appropriate page. Each site typically has one or two keywords, it is often called the theme of “theme” of the site.
How well you define the theme of your site, and how well you optimize the use of keywords, will greatly affect your site ranking in google. Google will measure the level of connectedness based on the home page hypertext search and analyze your site and other sites that have certain links to your site.
Google will assess the text into a link (which could in clicks) to our site, the title of the text, and content of the pages linking kesitus us, whether we also have keywords.
Link Factors (PageRank) and Page Importance
Page importance is all about links-how many, quality, strength, which will be discussed later.This is part of the algorithm is commonly called the Google PageRank (PR).
Google will find links from other sites that refer to our site. Google consider that links from site A to site B showed that site B is an important site. In this case, another site to vote for our site, which also helps raise the ranking of pages (PageRank) on our site.
Each page of our website has a PR (PageRank) of their own. Usually the highest PR value on the main page (home page), most people will link this to the main page, from the other pages that are on our site.
The more sites linking to our site, then Google will regard that the more important your site and will boost the page rank (PR) your site. But the quality is as important as the quantity, not all links of the same value.
There should also note that PageRank is only one factor used to rank. Sites that optimize a particular keyword can be higher rank than the sites that do not optimize keyword but have a higher PageRank.
PageRank on the set after comparing one with another, from every page that is on the Google index. This means that more than 3.3 billion pages.

Note: PageRank is determined not based on keywords used in your site