Can I report on users who received error when trying to complete a form?

[Mahurrinah_Sims]

Hello,

I'm wondering if Marketo recognizes users who received a form error.

Am I able to segment these users?

-Mahu

[SanfordWhiteman]

A validation error, or a network error?

If a session is already associated with a known lead, you can (via custom JS) log the fact they failed validation to Marketo.

If the session is anonymous and/or there's a network error, by definition you can't log these to Marketo, though in theory you could log to another analytics service such as GA, Looker, et al.