[Sigia-l] UI Design Question - Client Versus Server Side Validation

[Patrick Neeman]

It's basically a lead generation form:
- Phone Numbers (2)
- First Name, Last Name
- Email Address
- State Dropdown (no-brainer there)
- A selection from a radio button

While it might seem simple enough to do on the client side, my fear is that acquisting is being hurt because, well, the target
audience is probably at a pretty low level of sophistication, and might think their computer is crashing or something when they get
that error box.

On most the sites I work with, we >always< do server side, because some of the users may have their javascript turned off.

I was just trying to get an idea if there are any studies to support one way or another.

P@

Patrick Neeman
pat at nexisinteractive.com <mailto:pat at nexisinteractive.com>
949 643-0910 land
949 633-3054 cell
949 215-1659 fax

nexis interactive
our skills. your solutions.

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> -----Original Message-----
> From: sigia-l-admin at asis.org [mailto:sigia-l-admin at asis.org]On Behalf Of
> Dan Saffer
> Sent: Tuesday, February 25, 2003 12:25 PM
> To: 'Patrick Neeman'; sigia-l at asis.org
> Subject: RE: [Sigia-l] UI Design Question - Client Versus Server Side
> Validation
>
>
> Wouldn't the effectiveness of client vs. server validation of web forms
> depend greatly on what is being validated?
>
> We do a lot of validation here, on both the front- and back-end, and as
> a general rule the only thing we validate on the front end is format
> (making sure the email address is x at x.x for example). So much else these
> days requires a database to validate (or else you are sending the client
> a ridiculous amount of data) that it is fairly obvious what needs to be
> validated where. Then it is just a matter of optimizing the front- or
> back-end, not debating between the effectiveness of the two.
>
> Dan
>
> dan saffer
> sr. interaction designer, ameritrade
> http://www.odannyboy.com
>
> "there's a lot of things
>  if I could I'd rearrange." -U2
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