The Optimize Responsive II Landing Page 3 HubSpot template will bring your business more conversions with it’s simple, sleek design. This HubSpot template follows all of the HubSpot site design best practices for taking the marketing strategy on your site to the next level. The layout is professionally designed to be fully responsive and can be customized for any company with the HubSpot COS. This HubSpot COS site page is an incredibly versatile landing page that fits any business image.