Home › HubSpot Inbound Certification On-page SEO is the most important element of optimizing your website. By · Tuesday, January 24, 2017 On-page SEO is the most important element of optimizing your website. A) TRUE B) FALSE HubSpot Inbound Certification GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.