1. Long landing pages are more advantageous than short landing pages. Because the more he/she knows about you, the more he/she trusts you.
2. Users do not read, they scan with their eyes.
3. ? 4. ? 5. ?
Recommend you have potential clients test it for you and TAKE NOTE of their comments and actions.
4. Have a good CTAB, usuaully up top, with the reason they are on the page
5. Use images or infographics where possible
6. Branding is important.
7. Familitarity when branding works best.
Been designing landing pages for a decade... picked up a thing or two.
Have a clear value proposition