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Anonymous
November 8, 2016
Question

External Form Prefill

  • November 8, 2016
  • 2 replies
  • 5819 views

Has anyone ever used these instructions to implement form prefill on external landing pages (non-Marketo)? Looking for any positives/negatives of doing that. Thanks!

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2 replies

SanfordWhiteman
SanfordWhiteman
New Participant
November 17, 2016

Ulf was being gentle because he probably knew I'd jump in.

That method has potentially monstrous negative impact as it creats a a DoS attack vector against your instance. In order to create a (somewhat) safer implementation of that method you'd need a quite skilled developer.  Hiring a front-end developer with less experience (though of a different kind) to do it in the browser is going to be easier, more stable, and more scalable.

Jessica_Cross1
Jessica_Cross1
New Participant
December 7, 2016

Tell me more Sanford Whiteman​ how do I make this happen? I have an account sign up (trial) form that I want prefilled with the users cookied information.

SanfordWhiteman
SanfordWhiteman
New Participant
December 7, 2016

Jessica, hit me up offline and I can go through the process with you. I keep it close to the vest...

    Ulf_Deeg
    Ulf_Deeg
    New Participant
    November 17, 2016

    Hi Alex,

    it is pretty costly on API calls.

    You might look for embedding Marketo forms via iframes instead.

    You will probably need someone JavaScript savvy to assist you for turning that around. There will be loads of pitfalls around cross site scripting, responsiveness etc.

    Best

    Ulf

    Jessica_Cross1
    Jessica_Cross1
    New Participant
    December 7, 2016

    iFrames?  Really??

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