On site SEO: Keyword is not king! The number of keywords does affect SEO but it is not everything. There are a lot of factors that google checks on your articl like quality of your content, time spent by visitors and etc. On site SEO is a package. It's not just about the number of keywords you have in your article but how you implement the whole package of on site SEO. On site SEO has two factors: 1. How humans see your website Everything your visitors see and experience in your website. 2. How search engines see your website Crawlability of your website.