In short, on-page SEO refers to all the elements, such as headlines, page titles, and images, that appear on the pages of your website that you can optimize. To improve on-page SEO, try to create longer form content of at least 1,800 words. With regards to keywords, try to use your keywords at the beginning of your title tags and insert your keyword two to three times per page. All in all, on-page optimization is one of the easiest ways to boost your rankings.