I would like to build a dynamic form with conditional questions (pop up of questions depends on the answers to earlyer questions).
3rd party providers (Jotform, etc.) have nice solutions to this challange, but there i have a problem with tracking (connection of 3rd party “thank you site” with Analytics is not possible…)
Or is custom code the only solution? If yes, do you maybe have a good source for a “javascript analphabet” like me?
I have some client sites that needed this functionality with conversion tracking. I turned to a product called Machform. It is a self hosted or cloud hosted form engine with lots of features. It does require PHP and MySql to work. You can embed tracking codes on a form by form basis.
@HazeDesign - Machform works just fine using the Javascript embed option. I use it on lots of sites and choose to use SES for mail delivery since it handles PPC forms and such. A simple VPS with 1GB at Vultur or Digital Ocean should do the trick unless you have really busy form submissions. I opt for 2GB instances and have no problem. One install can handle lots of sites and you can provide access to a single form per user as needed.