While off page Search Engine Optimisation is very important in increasing traffic on your site, on page SEO is also important and should not be ignored.
In its quest to improve user experience Google and other search engines are always doing their best to send people to relevant pages. To do that the search engines are more finding ways to identify pages that are relevant for their customers.
Source: On-Page SEO: Anatomy of a Perfectly Optimized Page – Infographic
