Sign-up form inside an auto-opening widget: +385% newsletter sign-ups

WinnerSite-wide

Putting the newsletter form inside a right-side widget that opens on its own at 75% scroll, instead of a button that led to a separate sign-up page, lifted newsletter sign-up clicks by 385%.

Noble Studios ran this A/B test for Travel Nevada, and it was published as a VWO case study.

The variant brought in 104 extra sign-ups in 7 days.

+385% newsletter sign-ups
  • Newsletter sign-up clicks: +385% versus control, at a 100% probability to beat control in VWO's stats.
  • Extra sign-ups: 104 more from the variant during the test.
  • Duration: 7 days. Total sample size was not shared.
  • The team tracked both the original button and the new in-widget form to count all sign-ups.

The change

Control (A)
header
hero
Article content
Sign up, goes to new pageREPLACED
Variant (B)
header
hero
Article content
Right widget opens at 75%NEW
Email form inside widgetNEW

The link to a sign-up page becomes an auto-opening widget with the form inside.

Simplified mockup drawn by LiftArchive from the shared screenshots.

Control

A newsletter sign-up button sent visitors to a separate, dedicated sign-up page to fill in the form.

Variant

A widget fixed to the right side of the screen opened by itself at 75% scroll depth. Visitors could complete the sign-up form inside the widget without leaving the page.

Why it likely won

Our reading of the result, not the practitioner's claim.

  • Removing the trip to a separate page cut a step where many visitors likely dropped off.
  • The widget opened when visitors had read most of the page, a point where they were likely engaged.
  • It combined two earlier winners from the same program: the right-side position and the 75% scroll trigger.
  • a short newsletter form is easy to finish in place, so it does not need its own page.

Caveats: The test ran only 7 days and the total sample was not shared. This is a tourism newsletter, not a sales lead, so the lift may not carry over to longer or higher-commitment forms.

Who ran it

Noble Studios ran this test and published the results (VWO case study). The numbers are theirs; the summary and commentary on this page are ours.

Read the original case study on Noble Studios →

How to run this test on your site

Hypothesis
If we put our sign-up form inside a widget that opens at 75% scroll, instead of linking to a separate page, then more visitors will sign up because they can finish without leaving the content.
Primary metric
Completed newsletter sign-ups
Guardrails
  • Bounce rate
  • Pages per session
  • Unsubscribe rate of new subscribers
Who should test it
Content sites and lead-gen businesses whose sign-up lives on its own page. It is less likely to help if the form is already inline, or if the form is long and needs a full page.

Questions

Should a newsletter sign-up have its own page?

Usually not for a short form. Travel Nevada saw 385% more sign-up clicks when visitors could sign up without leaving the page.

When should a sign-up widget open?

This test opened it at 75% scroll depth, once visitors had read most of the page.

Try a few triggers, since the best one depends on your content.

Does an auto-opening widget hurt engagement?

Earlier tests in the same program reported no harm to engagement metrics.

Still, watch bounce rate and pages per session when you test it.

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