Learn, then apply.
Set up a landing page that helps the client make their decision
A clear promise, useful details, and a next step are easy to find.
Start with value
Write a title that explains the outcome you provide, and then a short description of who the service or product fits. Use an image that serves the idea rather than cramming the elements.
Answer basic questions
What will the customer get? What's the price? How's it going? Add only available facts, and do not publish undocumented ratings or figures.
Test on mobile
Review the text size and buttons, and make sure the images are clear and contrast. Try each link and form, and keep the main procedure accessible.