How to Make OptinMonster Cookies Cross Subdomains

Showing the same campaign on multiple subdomains and want to hide it on all subdomains once it’s been interacted with or converted? You can do this by making the campaign cookies cross subdomains.

In this article, you’ll learn how to make OptinMonster cookies cross subdomains.

Get Started With OptinMonster Today!

BONUS: Done-For-You Campaign Setup ($297 value)
Our conversion experts will design 1 free campaign for you to get maximum results – absolutely FREE! Click here to get started →

Before You Start

Here are some things to know before you begin:

  • This feature only allows cookies to persist across subdomains, e.g. from ‘blog.domain.com’ to ‘store.domain.com’. Cookies will not persist from one domain to another, such as from ‘domain.com’ to ‘website.com’.

Enable Cross Subdomain Cookies

To make OptinMonster cookies cross subdomains, follow these steps:

  1. In the Design view of the campaign builder, select the Settings icon.
    Settings icon in the OptinMonster campaign builder
  2. Next, within the Basic tab in the sidebar expand the Display Settings option and toggle the Cross Subdomain Cookie? option.
    Enable Cross Subdomain Cookies in the OptinMonster campaign builder.
  3. When you’re finished, click Save.

Troubleshooting

Can I make the cookies persist across other domains, not just subdomains?

No, this feature only allows cookies to persist across subdomains, like from ‘blog.domain.com’ to ‘store.domain.com’. Cookies will not persist from one domain to another, such as from ‘domain.com’ to ‘website.com’.

Get Started With OptinMonster Today!

BONUS: Done-For-You Campaign Setup ($297 value)
Our conversion experts will design 1 free campaign for you to get maximum results – absolutely FREE! Click here to get started →