Google PRINCIPLES OF MOBILE SITE DESIGN: DELIGHT USERS AN Manuel d'utilisateur télécharger pdf (Page 30)

18. DESIGN

EFFICIENT FORMS

Make sure your forms have no repeated actions, only as

many elds as necessary, and take advantage of autoll.

With multi-part forms, let your users know what’s

coming with a progress bar on top. Participants were

intimidated by a multi-part form with a very complex

initial step, but felt much more comfortable with a

dierent, more straightforward form that clearly labeled

each upcoming section. Participants also appreciated

multi-part forms that prelled information they had

already entered, like their name and zip code.

Key Takeaway

Minimize the number of elds in your forms,

and autoll information wherever possible.

Use clearly-labeled progress bars to help users

get through multi-part forms.

Example from Progressive Mobile Site.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 41 42

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Google PRINCIPLES OF MOBILE SITE DESIGN: DELIGHT USERS AN Manuel d'utilisateur Page 30