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November 30, 2015
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Forms 2.0 Blocked By Adblockers

  • November 30, 2015
  • 3 replies
  • 5933 views

I'm noticing a number of adblockers(Ublock / Adblock Plus with addtional filters) are blocking Marketo's clientside Forms 2. Sadly these forms are completely unusable when they are being blocked like this.

Any possible solutions to this problem? Perhaps I need to take a look at the REST API instead and do on the backend instead.

Thoughts?

Thanks.

Stan Keathly

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Best answer by Josh_Hill13

Curious. First I've heard of it. Maybe support can help here?

Do you think it's some javascript? What exactly seems to be blocked?

3 replies

Josh_Hill13
Josh_Hill13Accepted solution
Level 10
November 30, 2015

Curious. First I've heard of it. Maybe support can help here?

Do you think it's some javascript? What exactly seems to be blocked?

November 30, 2015

Yeah the javascript gets blocked by the adblocker so the Marketo Forms never shows up. Hopefully the REST API is almost as simple to setup?

Stan Keathy

Grégoire_Miche2
Level 10
November 30, 2015

Hi Stan,

What do you mean by using the REST API?

You should never add a REST API call on a client-side code. As it contains connection info to you Marketo REST API end point, it will enable any one to use it and saturate your REST API, with both the risk to populate you DB with *** data (Marketo won't control it) and also create a DOS when the 10000 calls a day will be reached.

What you can do instead is use another type of form (such as the form system from your CMS) which will post the data to your web back-end, from which you can call the REST API to insert/update the lead in Marketo. You will also need to capture the Marketo cookie value and run a REST API associate Lead. This method will have a drawback : you will not be able to capture the "fills out form" event and it will not be possible to prefill the form with Marketo values.

-Greg

Grégoire_Miche2
Level 10
November 30, 2015

Hi Stan Keathly​,

Have you tried the workaround I suggested here : Guided Landing Page and Ad Blockers

-Greg

Grant_Booth
Level 9
December 5, 2019

We had this issue as well when we deployed Forms 2.0. Changing the URLs in the form code to use our Marketo CNAME instead seems to have fixed it.

SanfordWhiteman
Level 10
December 5, 2019
Grant_Booth
Level 9
December 5, 2019

Thanks! I'm sure we would've heard about that from our team shortly...