On page SEO has tons of moving parts, so here are a couple of examples for you to get a better understanding. URL optimization – URLs must include your primary keyword and be short Content optimization – Distributing the right headings and subheadings for the content, including primary and secondary keywords throughout the content with a minimum 0.6% density.  Internal linking – having hyperlinks on your web pages that lead to other pages of your website. Image optimization – adding alt tags to pictures on your website to enhance accessibility and rank on Google Images.