signing feature not working on my website

Could you please tell us which signing feature you are referring to that isn't working for you?

We have several.

#1 - http://widgets.jotform.com/widget/adobe_dc_esign_services 

#2 - http://widgets.jotform.com/widget/initials 

#3 - http://widgets.jotform.com/widget/sigplus 

#4 - http://widgets.jotform.com/widget/smooth_signature 

#5 - http://widgets.jotform.com/widget/signature