Home › HubSpot Inbound Certification What elements should be tested on your CTA? By · Tuesday, January 24, 2017 What elements should be tested on your CTA? A) Color B) Keywords C) Placement on the page D) All of the above HubSpot Inbound Certification GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.