Super Properties and subdomains - Mixpanel
Blog Post

Super Properties and subdomains

Last edited: Aug 29, 2022 Published: Apr 22, 2010

Today we rolled out an update to the Javascript library (located at that will ensure that
the Super Properties cookie is valid across all subdomains of your website.
Previously, different subdomains would have their own super properties cookie,
and values you set on one domain wouldn’t be included in the others.

You still have the option to track subdomains separately though; take a look
at mpmetrics.set_config() in the documentation here: to learn how it works.

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