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On Wix, add the site script as custom code so popups can show on every page, and use the Embed HTML element for an embedded form. Custom code needs a connected domain and a premium plan.
Before you start: add your site’s domain under Contacts > Forms > Websites and copy the install snippet.

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Install the site script

1

Open Custom Code

In your site’s dashboard, go to Settings and select Custom Code under Advanced.
2

Add the snippet

Select Add Custom Code and paste the install snippet:
3

Choose where it loads

Name it Brudcast site script. Under Add Code to Pages, choose All pages and Load code once. Under Place Code in, choose Head. Select Apply.

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Embed a form

Wix puts embedded HTML in its own frame, so use the plain iframe here rather than the script embed, which can’t size itself from inside Wix’s frame.
  1. In the Editor, select Add Elements, then Embed Code and Embed HTML.
  2. Select Enter Code, choose Code, and paste the form’s Plain iframe code:
  1. Select Update, then drag the element’s edges to fit the form. Publish the site.

Popups

Create the popups the site script shows.

Embed a form

Embed variants, layouts and prefill.