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The crawlers now take their lists of the URLs that each page links to and combine them. So for each page there is now a list of the links on it, as well as the text of each link. The list is then reversed, so that instead of showing the links on each page, it shows for each page the sites that link to it.
Some search engines stop here and simply store the number of links pointing to a given page, but Google takes it a little further.
For every page in its database, Google gives it "points" based on how many links are going to it--just like any other search engine. Then, it re-calculates the number of links pointing to each page, but gives more points to links that had a higher point-value themselves in the first count. It then repeats the process about 100 times, each time making the points more accurate.
- File Size:15 KB
- License: Private Label Rights
- Category:Ebooks
- Tags:2008 Ebooks Private Label Rights