Useful insights to improve your survey results:
Limit ranking options: don't ask respondents to rank more than 3-4 items in a list. You'll get better information when you keep it simple and focused. If you need to rank more, break the items into multiple questions.
A/B test: test variations to determine which is more effective. For example, try a survey offering an incentive to stimulate response rates, and the same survey without the incentive to gauge the impact of the incentive offering.
Avoid jargon: use simple language that is direct and familiar to the respondents.