I’ll start this post with by saying that list of on-site SEO factors that is in front of you is meant to be a (short) recap of how certain factors can affect your rankings and how important they might be. To put things in perspective, on-site SEO has less impact on rankings compared to some other factors like trust and authority of domain and number and quality of external links. But here is something that you need to think about before dismissing on-site SEO as unimportant: