i work in a digital marketing agency and we build hundrets of landing pages, some with payment integration and forms. ways we significantly improve fill out rat

i work in a digital marketing agency and we build hundrets of landing pages, some with payment integration and forms. ways we significantly improve fill out rates is by increasing trustworthiness and credibility: good design, add a credible logos (of stripe and of the payment methods accepted), https, reliable 3rd party testimonials service.