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How to trigger a popup based on scroll percentage

How to trigger a popup based on scroll percentage

Using the Qualzz scroll percentage identification rule you can display the campaign to trigger after the user scrolls down a certain percentage of the webpage.

The scroll trigger is especially ideal for pages with long-form content, such as guides or blog posts.

Note: The scroll identification rule does not work with infinite scrolling pages

To trigger a popup to display On scroll percentage follow these steps:

  • Select the “Display” view from the popup campaign builder.

Select display view


  • Select the Triggers option on the left panel of the Display view.
  • Click on the button “Add another rule”, to open the available display trigger options

Display triggers


  • By default, the campaigns trigger is selected as ‘On landing’
  • Select the option ‘On scrolling page’ by toggling the radio button, this will automatically disable the trigger from other options.


Trigger campaign on Scroll page


  • Here you selected that the popup should be displayed when the visitor scrolls 25% of the page.
  • When you are finished, click the button “Save this rule”.
  • The popup is triggered when the user reaches 25% of the page.