Maybe you're not sure how much on page SEO is important, do you really need to invest in it? Or it's better to invest in link building? It's fact that without off page SEO you won't get rankings but maybe you have no idea that on page SEO has nowadays great importance. Martin Splitt has clearly told that Google is looking for the right content. And without on-page SEO, you can't assure google that you have the right content according to the keywords. So ask me to help you in on page SEO factors for your website to rank higher in Google.