Extra zanimljive stvari:
3. Google may determine how old each of the pages on a given website is and then determine the average age of pages on the website as a whole. The difference between a specific page's age and the average age of all documents on the site will be used in the ranking score.
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5. One methodology of discovering site age might include when Google first "discovered" - read spiders the site, when Google first finds a link to the site, and when the site contains a "predetermined number of pages". I interpret this to mean that Google has some kind of threshold for site size (number of pages) that when reached, triggers a scoring effect (probably positive).
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7. The "frequency at which the content changes" will be determined by the average time between changes, the number of changes over a particular time period, and the rate of change of one time period vs. the rate of change for another time period. So, if you are updating your website every day, then switch to updating once a week, your scoring in the historical measurements at Google will shift.
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Click-Through Rate Data
15. The "history data" from #1 could include information on "how often the document is selected when the document is included in a set of search results". This is literally tracking clickthroughs and rewarding those sites with higher CTR - just like AdSense does. Google will be scoring based on the "extent to which the document is selected over time... when included in a set of search results". We always assumed this to be true, but this is the first hard evidence I've seen directly from the horse's mouth.
16. Google may assign a "higher score" when the document is selected more often. No-brainer.
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34. Traffic characteristics associated with a page/site may be taken into account in scoring.
i jos dosta stvari stvarno lepo stivo
Google Patent dokument... blah
