Goggle is being more transparent than usual about its recent broad core algorithm up grade. Actually Goggle is not telling us what is in the algorithm. Actually they are telling us what is not in the algorithm rather than what is.
What Google is looking for
Google is not targeting low quality websites. Google has always tried to give your the best possible answer in response to your search.
Now Goggle doesn’t tell us how their algorithm works, but what would your look for if your were Google? You would want a quality, in depth answer to your search. A sight owned and operated by a well recognized organization such as the Mayo Clinic, a leading University or well-established non=profit would be recognized as an authority site. For less well known organization(your & Me) your would be looking at how long people stayed on your site and how much they poked around on the site. How often a site was updated would give me a good idea about how current the site was and if people are recommending and commenting on your site it is more likely to be an authority site. Of course, how much traffic your are getting should influence the search engines as well.
Search engines want to known what your website is about. It would be natural for search engines to look for phrases people normally use in their searches. Geeks call those phrases “long tailed keywords.” Search engines also look at headers because headers tell the reader and the search engines what the next portion of the post is about. Use one long tailed key word in your title and the same LKW in the first paragraph of your document.
Observation tells us that the more frequent the posting the higher the ranking. Three quality posting a week will get your a higher ranking than a post a week and a post a month may not get your ranked at all.