Web forms let people complete important tasks on your site; web form design details can have a big impact on how successful, efficient, and happy with the process they are—especially details like form length. Enter accordion forms, which dynamically hide and reveal sections of related questions as people complete the form, allowing them to focus on what matters and finish quickly. How do your smallest design decisions affect completion speed? Which design choices make these innovative forms feel familiar and easy? Which choices make them feel foreign and complex, leading people to make errors?