Google Display Ads appear on over 3 million websites, over 650,000 apps, and across Google properties such as Gmail and YouTube. This guide will help you create assets for display ads — with a focus on responsive display ads. ... If your ad text says “Limited time offer”, be sure to point users to that promotion on the landing page. In your final URL, provide the complete URL. Create 3 to 4 ads per ad group. Create 3 to 4 ads per ad group (trying out different messages with different ...