Have you ever wonder how known SEO practitioner thought about how to top Google SERP ? , I believed that the picture shown below will give you an idea on how to top the search in addition to the post I made just a while ago regarding In Content Links .
Google Algorithm is really top secret but at least we have guides as shown below from the experts in this field.
Trust Authority of the Host Domain got the highest percentage among others. But I think they forget to mention about the research part of SEO. It is hard to do SEO if you don’t research on what you are doing. So you better allow some percentage for the research . How much I don’t know.
But in General I think I agree with the content of the Google Algorithm picture above. And I saw that some of that factors is not part of my strategy , so better apply it and have a better Search Engine Ranking ( SERP ).
Picture Source [ seomoz.org ]