Google is no longer considering on-page SEO as only ranking aspect. Other factors like social media signals, domain authority, backlinks and other off-page tactics play an important role to bring the targeted visitors into your website. With the updates in Google Panda algorithm, Google has started imposing domain level penalty. For example, Low quality content penalise your entire domain. For your On-page SEO effort, remember your content is king here and improve your users’ experience with better structure and quality link. Use proper copyrighting techniques and maintain professionalism with good content, which could give you better On-page optimisation.